Q: What is the sum of all factors of the number 243,420,221 excluding 243,420,221?
A: 22,129,123
The factors of the number 243,420,221 are: 1, 11, 22129111, 243420221.
If you add them up, you will get the total of 243,420,243. Now subtract 243,420,221 to get 22,129,123