21122730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8093}}^1$

素因数の和:8135

約数の個数: 48

約数和(自身を含む): 56819880

約数和(自身を除く): 35697150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8093, 16186, 24279, 40465, 48558, 72837, 80930, 121395, 145674, 234697, 242790, 364185, 469394, 704091, 728370, 1173485, 1408182, 2112273, 2346970, 3520455, 4224546, 7040910, 10561365, 21122730]

約数ペア:

[(1, 21122730), (2, 10561365), (3, 7040910), (5, 4224546), (6, 3520455), (9, 2346970), (10, 2112273), (15, 1408182), (18, 1173485), (29, 728370), (30, 704091), (45, 469394), (58, 364185), (87, 242790), (90, 234697), (145, 145674), (174, 121395), (261, 80930), (290, 72837), (435, 48558), (522, 40465), (870, 24279), (1305, 16186), (2610, 8093)]