21061018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3054

約数の個数: 24

約数和(自身を含む): 35933940

約数和(自身を除く): 14872922

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 3001, 3509, 6002, 7018, 33011, 66022, 87029, 174058, 363121, 726242, 957319, 1914638, 10530509, 21061018]

約数ペア:

[(1, 21061018), (2, 10530509), (11, 1914638), (22, 957319), (29, 726242), (58, 363121), (121, 174058), (242, 87029), (319, 66022), (638, 33011), (3001, 7018), (3509, 6002)]