Q: What is the sum of all factors of the number 21,311,509 excluding 21,311,509?
A: 349,431
The factors of the number 21,311,509 are: 1, 61, 349369, 21311509.
If you add them up, you will get the total of 21,311,858. Now subtract 21,311,509 to get 349,431