21156078

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25367}}^1$

素因数の和:25511

約数の個数: 16

約数和(自身を含む): 42618240

約数和(自身を除く): 21462162

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25367, 50734, 76101, 152202, 3526013, 7052026, 10578039, 21156078]

約数ペア:

[(1, 21156078), (2, 10578039), (3, 7052026), (6, 3526013), (139, 152202), (278, 76101), (417, 50734), (834, 25367)]