Q: What is the sum of all factors of the number 121,309,391 excluding 121,309,391?
A: 17,329,921
The factors of the number 121,309,391 are: 1, 7, 17329913, 121309391.
If you add them up, you will get the total of 121,309,408. Now subtract 121,309,391 to get 17,329,921