21757604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2069}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 19973596

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2069, 2629, 4138, 5258, 8276, 10516, 22759, 45518, 91036, 494491, 988982, 1977964, 5439401, 10878802, 21757604]

約数ペア:

[(1, 21757604), (2, 10878802), (4, 5439401), (11, 1977964), (22, 988982), (44, 494491), (239, 91036), (478, 45518), (956, 22759), (2069, 10516), (2629, 8276), (4138, 5258)]