21738540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362309}}^1$

素因数の和:362321

約数の個数: 24

約数和(自身を含む): 60868080

約数和(自身を除く): 39129540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362309, 724618, 1086927, 1449236, 1811545, 2173854, 3623090, 4347708, 5434635, 7246180, 10869270, 21738540]

約数ペア:

[(1, 21738540), (2, 10869270), (3, 7246180), (4, 5434635), (5, 4347708), (6, 3623090), (10, 2173854), (12, 1811545), (15, 1449236), (20, 1086927), (30, 724618), (60, 362309)]