21351840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44483}}^1$

素因数の和:44501

約数の個数: 48

約数和(自身を含む): 67259808

約数和(自身を除く): 45907968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44483, 88966, 133449, 177932, 222415, 266898, 355864, 444830, 533796, 667245, 711728, 889660, 1067592, 1334490, 1423456, 1779320, 2135184, 2668980, 3558640, 4270368, 5337960, 7117280, 10675920, 21351840]

約数ペア:

[(1, 21351840), (2, 10675920), (3, 7117280), (4, 5337960), (5, 4270368), (6, 3558640), (8, 2668980), (10, 2135184), (12, 1779320), (15, 1423456), (16, 1334490), (20, 1067592), (24, 889660), (30, 711728), (32, 667245), (40, 533796), (48, 444830), (60, 355864), (80, 266898), (96, 222415), (120, 177932), (160, 133449), (240, 88966), (480, 44483)]