Q: What is the sum of all factors of the number 21,236,509 excluding 21,236,509?
A: 4,311,331
The factors of the number 21,236,509 are: 1, 7, 19, 133, 159673, 1117711, 3033787, 21236509.
If you add them up, you will get the total of 21,236,513. Now subtract 21,236,509 to get 4,311,331