Q: What is the sum of all factors of the number 21,407,581 excluding 21,407,581?
A: 1,646,751
The factors of the number 21,407,581 are: 1, 13, 1646737, 21407581.
If you add them up, you will get the total of 21,407,582. Now subtract 21,407,581 to get 1,646,751