21958980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365983}}^1$

素因数の和:365995

約数の個数: 24

約数和(自身を含む): 61485312

約数和(自身を除く): 39526332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365983, 731966, 1097949, 1463932, 1829915, 2195898, 3659830, 4391796, 5489745, 7319660, 10979490, 21958980]

約数ペア:

[(1, 21958980), (2, 10979490), (3, 7319660), (4, 5489745), (5, 4391796), (6, 3659830), (10, 2195898), (12, 1829915), (15, 1463932), (20, 1097949), (30, 731966), (60, 365983)]