Q: What is the sum of all factors of the number 21,100,123 excluding 21,100,123?
A: 1,918,205
The factors of the number 21,100,123 are: 1, 11, 1918193, 21100123.
If you add them up, you will get the total of 21,100,124. Now subtract 21,100,123 to get 1,918,205