21427965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36629}}^1$

素因数の和:36653

約数の個数: 24

約数和(自身を含む): 39999960

約数和(自身を除く): 18571995

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36629, 109887, 183145, 329661, 476177, 549435, 1428531, 1648305, 2380885, 4285593, 7142655, 21427965]

約数ペア:

[(1, 21427965), (3, 7142655), (5, 4285593), (9, 2380885), (13, 1648305), (15, 1428531), (39, 549435), (45, 476177), (65, 329661), (117, 183145), (195, 109887), (585, 36629)]