Q: What is the sum of all factors of the number 1,540,421 excluding 1,540,421?
A: 210,619
The factors of the number 1,540,421 are: 1, 17, 31, 37, 79, 527, 629, 1147, 1343, 2449, 2923, 19499, 41633, 49691, 90613, 1540421.
If you add them up, you will get the total of 1,540,631. Now subtract 1,540,421 to get 210,619