21450124

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{953}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 39907728

約数和(自身を除く): 18457604

約数列:

[1, 2, 4, 17, 34, 68, 331, 662, 953, 1324, 1906, 3812, 5627, 11254, 16201, 22508, 32402, 64804, 315443, 630886, 1261772, 5362531, 10725062, 21450124]

約数ペア:

[(1, 21450124), (2, 10725062), (4, 5362531), (17, 1261772), (34, 630886), (68, 315443), (331, 64804), (662, 32402), (953, 22508), (1324, 16201), (1906, 11254), (3812, 5627)]