Q: What is the sum of all factors of the number 21,280,255 excluding 21,280,255?
A: 4,256,057
The factors of the number 21,280,255 are: 1, 5, 4256051, 21280255.
If you add them up, you will get the total of 21,280,259. Now subtract 21,280,255 to get 4,256,057