21476760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178973}}^1$

素因数の和:178987

約数の個数: 32

約数和(自身を含む): 64430640

約数和(自身を除く): 42953880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178973, 357946, 536919, 715892, 894865, 1073838, 1431784, 1789730, 2147676, 2684595, 3579460, 4295352, 5369190, 7158920, 10738380, 21476760]

約数ペア:

[(1, 21476760), (2, 10738380), (3, 7158920), (4, 5369190), (5, 4295352), (6, 3579460), (8, 2684595), (10, 2147676), (12, 1789730), (15, 1431784), (20, 1073838), (24, 894865), (30, 715892), (40, 536919), (60, 357946), (120, 178973)]