21876730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75437}}^1$

素因数の和:75473

約数の個数: 16

約数和(自身を含む): 40736520

約数和(自身を除く): 18859790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75437, 150874, 377185, 754370, 2187673, 4375346, 10938365, 21876730]

約数ペア:

[(1, 21876730), (2, 10938365), (5, 4375346), (10, 2187673), (29, 754370), (58, 377185), (145, 150874), (290, 75437)]