21033505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{701}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 26838864

約数和(自身を除く): 5805359

約数列:

[1, 5, 17, 85, 353, 701, 1765, 3505, 6001, 11917, 30005, 59585, 247453, 1237265, 4206701, 21033505]

約数ペア:

[(1, 21033505), (5, 4206701), (17, 1237265), (85, 247453), (353, 59585), (701, 30005), (1765, 11917), (3505, 6001)]