Q: What is the sum of all factors of the number 138,242,421 excluding 138,242,421?
A: 63,015,051
The factors of the number 138,242,421 are: 1, 3, 9, 127, 381, 1143, 120947, 362841, 1088523, 15360269, 46080807, 138242421.
If you add them up, you will get the total of 138,242,484. Now subtract 138,242,421 to get 63,015,051