21205806

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{31277}}^1$

素因数の和:31395

約数の個数: 16

約数和(自身を含む): 42788304

約数和(自身を除く): 21582498

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 31277, 62554, 93831, 187662, 3534301, 7068602, 10602903, 21205806]

約数ペア:

[(1, 21205806), (2, 10602903), (3, 7068602), (6, 3534301), (113, 187662), (226, 93831), (339, 62554), (678, 31277)]