Q: What is the sum of all factors of the number 21,728,459 excluding 21,728,459?
A: 505,357
The factors of the number 21,728,459 are: 1, 43, 505313, 21728459.
If you add them up, you will get the total of 21,728,964. Now subtract 21,728,459 to get 505,357