21315972

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{57301}}^1$

素因数の和:57339

約数の個数: 24

約数和(自身を含む): 51342592

約数和(自身を除く): 30026620

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 57301, 114602, 171903, 229204, 343806, 687612, 1776331, 3552662, 5328993, 7105324, 10657986, 21315972]

約数ペア:

[(1, 21315972), (2, 10657986), (3, 7105324), (4, 5328993), (6, 3552662), (12, 1776331), (31, 687612), (62, 343806), (93, 229204), (124, 171903), (186, 114602), (372, 57301)]