21918180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365303}}^1$

素因数の和:365315

約数の個数: 24

約数和(自身を含む): 61371072

約数和(自身を除く): 39452892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365303, 730606, 1095909, 1461212, 1826515, 2191818, 3653030, 4383636, 5479545, 7306060, 10959090, 21918180]

約数ペア:

[(1, 21918180), (2, 10959090), (3, 7306060), (4, 5479545), (5, 4383636), (6, 3653030), (10, 2191818), (12, 1826515), (15, 1461212), (20, 1095909), (30, 730606), (60, 365303)]