21140888

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4283}}^1$

素因数の和:4906

約数の個数: 16

約数和(自身を含む): 39712680

約数和(自身を除く): 18571792

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4283, 4936, 8566, 17132, 34264, 2642611, 5285222, 10570444, 21140888]

約数ペア:

[(1, 21140888), (2, 10570444), (4, 5285222), (8, 2642611), (617, 34264), (1234, 17132), (2468, 8566), (4283, 4936)]