21158054

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 32248320

約数和(自身を除く): 11090266

約数列:

[1, 2, 103, 206, 271, 379, 542, 758, 27913, 39037, 55826, 78074, 102709, 205418, 10579027, 21158054]

約数ペア:

[(1, 21158054), (2, 10579027), (103, 205418), (206, 102709), (271, 78074), (379, 55826), (542, 39037), (758, 27913)]