21271166049

素因数分解:

$3^1\times 7^1\times {\mathrm{8089}}^1\times {\mathrm{125221}}^1$

素因数の和:133320

約数の個数: 16

約数和(自身を含む): 32417471360

約数和(自身を除く): 11146305311

約数列:

[1, 3, 7, 21, 8089, 24267, 56623, 125221, 169869, 375663, 876547, 2629641, 1012912669, 3038738007, 7090388683, 21271166049]

約数ペア:

[(1, 21271166049), (3, 7090388683), (7, 3038738007), (21, 1012912669), (8089, 2629641), (24267, 876547), (56623, 375663), (125221, 169869)]