Q: What is the sum of all factors of the number 13,121,321 excluding 13,121,321?
A: 305,191
The factors of the number 13,121,321 are: 1, 43, 305147, 13121321.
If you add them up, you will get the total of 13,121,626. Now subtract 13,121,321 to get 305,191