Q: What is the sum of all factors of the number 1,421,407 including 1,421,407?
A: 1,560,384
The factors of the number 1,421,407 are: 1, 13, 53, 689, 2063, 26819, 109339, 1421407.
If you add them up, you will get the total of 1,560,384.