Q: What is the sum of all factors of the number 21,257,765 excluding 21,257,765?
A: 4,251,559
The factors of the number 21,257,765 are: 1, 5, 4251553, 21257765.
If you add them up, you will get the total of 21,257,769. Now subtract 21,257,765 to get 4,251,559