21096572

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25981}}^1$

素因数の和:26021

約数の個数: 24

約数和(自身を含む): 43649760

約数和(自身を除く): 22553188

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25981, 51962, 103924, 181867, 363734, 727468, 753449, 1506898, 3013796, 5274143, 10548286, 21096572]

約数ペア:

[(1, 21096572), (2, 10548286), (4, 5274143), (7, 3013796), (14, 1506898), (28, 753449), (29, 727468), (58, 363734), (116, 181867), (203, 103924), (406, 51962), (812, 25981)]