Q: What is the sum of all factors of the number 378,021 excluding 378,021?
A: 211,803
The factors of the number 378,021 are: 1, 3, 7, 21, 47, 141, 329, 383, 987, 1149, 2681, 8043, 18001, 54003, 126007, 378021.
If you add them up, you will get the total of 378,232. Now subtract 378,021 to get 211,803