Q: What is the sum of all factors of the number 6,426 including 6,426?
A: 17,280
The factors of the number 6,426 are: 1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426.
If you add them up, you will get the total of 17,280.