21096970220

素因数分解:

$2^2\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{327491}}^1$

素因数の和:330721

約数の個数: 24

約数和(自身を含む): 44317527408

約数和(自身を除く): 23220557188

約数列:

[1, 2, 4, 5, 10, 20, 3221, 6442, 12884, 16105, 32210, 64420, 327491, 654982, 1309964, 1637455, 3274910, 6549820, 1054848511, 2109697022, 4219394044, 5274242555, 10548485110, 21096970220]

約数ペア:

[(1, 21096970220), (2, 10548485110), (4, 5274242555), (5, 4219394044), (10, 2109697022), (20, 1054848511), (3221, 6549820), (6442, 3274910), (12884, 1637455), (16105, 1309964), (32210, 654982), (64420, 327491)]