21085814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{620171}}^1$

素因数の和:620190

約数の個数: 8

約数和(自身を含む): 33489288

約数和(自身を除く): 12403474

約数列:

[1, 2, 17, 34, 620171, 1240342, 10542907, 21085814]

約数ペア:

[(1, 21085814), (2, 10542907), (17, 1240342), (34, 620171)]