21725310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1109}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 52267680

約数和(自身を除く): 30542370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 653, 1109, 1306, 1959, 2218, 3265, 3327, 3918, 5545, 6530, 6654, 9795, 11090, 16635, 19590, 33270, 724177, 1448354, 2172531, 3620885, 4345062, 7241770, 10862655, 21725310]

約数ペア:

[(1, 21725310), (2, 10862655), (3, 7241770), (5, 4345062), (6, 3620885), (10, 2172531), (15, 1448354), (30, 724177), (653, 33270), (1109, 19590), (1306, 16635), (1959, 11090), (2218, 9795), (3265, 6654), (3327, 6530), (3918, 5545)]