Q: What is the sum of all factors of the number 220,221,221 excluding 220,221,221?
A: 21,019,867
The factors of the number 220,221,221 are: 1, 11, 241, 2651, 83071, 913781, 20020111, 220221221.
If you add them up, you will get the total of 220,221,242. Now subtract 220,221,221 to get 21,019,867