Q: What is the sum of all factors of the number 21,212,221 excluding 21,212,221?
A: 10,211
The factors of the number 21,212,221 are: 1, 2903, 7307, 21212221.
If you add them up, you will get the total of 21,212,231. Now subtract 21,212,221 to get 10,211