Q: What is the sum of all factors of the number 21,140,221 excluding 21,140,221?
A: 346,623
The factors of the number 21,140,221 are: 1, 61, 346561, 21140221.
If you add them up, you will get the total of 21,140,567. Now subtract 21,140,221 to get 346,623