More. A lot more.
A basic MC, without any items, tattoos, talents or perks can reach 15k in all stats (16.5k with infusion). To 17k (18.7k with infusion) if you're really bold, but hardly in all stats, I only managed it in two. As we want the maximum, let's assume we were that bold. Next, if we add the mechanics of the game:
If you have Pargon or Overlord and maxed stats, after the dream, your stats will go from 12k to 14040 with a limit of 17k;
Then, He Mei's pill, with the 30% increase (originally 20%, but with Paragon it's 30%), stats go up to 18252;
Then, get the tiger tattoo, the stat of your choice will go up by 4.5k, in this case to 23252 (we have the option of taking this before accepting He Mei's pill, the stats will be even higher, but your final HP will be 3k so it's a bad decision);
Let's say the stat is STR or AGI, we have the option of using rings, if we use all ten, the stat goes up by 5k, in this case to 28252;
Then activate the Flesh Worm, +3k, taking the stat to 31.3k;
Then activate Partial Asura (assuming you've had the maximum devils breakout so far), +6k, taking the stat up to 37.3k;
Finally activate the infusion with the talent and void perk lv 3, +35%, taking the stat to 50.4k.
I believe it's possible to go even further with the right perks, but I'm not sure of the value.