2021172910

素因数分解:

$2^1\times 5^1\times {\mathrm{10831}}^1\times {\mathrm{18661}}^1$

素因数の和:29499

約数の個数: 16

約数和(自身を含む): 3638642112

約数和(自身を除く): 1617469202

約数列:

[1, 2, 5, 10, 10831, 18661, 21662, 37322, 54155, 93305, 108310, 186610, 202117291, 404234582, 1010586455, 2021172910]

約数ペア:

[(1, 2021172910), (2, 1010586455), (5, 404234582), (10, 202117291), (10831, 186610), (18661, 108310), (21662, 93305), (37322, 54155)]