Q: What is the sum of all factors of the number 21,451,258 excluding 21,451,258?
A: 10,725,632
The factors of the number 21,451,258 are: 1, 2, 10725629, 21451258.
If you add them up, you will get the total of 21,451,268. Now subtract 21,451,258 to get 10,725,632