Q: What is the sum of all factors of the number 21,516,889 excluding 21,516,889?
A: 51,531
The factors of the number 21,516,889 are: 1, 421, 51109, 21516889.
If you add them up, you will get the total of 21,516,940. Now subtract 21,516,889 to get 51,531