21715366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{827}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 34378560

約数和(自身を除く): 12663194

約数列:

[1, 2, 19, 38, 691, 827, 1382, 1654, 13129, 15713, 26258, 31426, 571457, 1142914, 10857683, 21715366]

約数ペア:

[(1, 21715366), (2, 10857683), (19, 1142914), (38, 571457), (691, 31426), (827, 26258), (1382, 15713), (1654, 13129)]