Q: What is the sum of all factors of the number 21,213,657 excluding 21,213,657?
A: 10,563,543
The factors of the number 21,213,657 are: 1, 3, 9, 27, 81, 243, 87299, 261897, 785691, 2357073, 7071219, 21213657.
If you add them up, you will get the total of 21,213,667. Now subtract 21,213,657 to get 10,563,543