21322920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177691}}^1$

素因数の和:177705

約数の個数: 32

約数和(自身を含む): 63969120

約数和(自身を除く): 42646200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177691, 355382, 533073, 710764, 888455, 1066146, 1421528, 1776910, 2132292, 2665365, 3553820, 4264584, 5330730, 7107640, 10661460, 21322920]

約数ペア:

[(1, 21322920), (2, 10661460), (3, 7107640), (4, 5330730), (5, 4264584), (6, 3553820), (8, 2665365), (10, 2132292), (12, 1776910), (15, 1421528), (20, 1066146), (24, 888455), (30, 710764), (40, 533073), (60, 355382), (120, 177691)]