21301510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125303}}^1$

素因数の和:125327

約数の個数: 16

約数和(自身を含む): 40598496

約数和(自身を除く): 19296986

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125303, 250606, 626515, 1253030, 2130151, 4260302, 10650755, 21301510]

約数ペア:

[(1, 21301510), (2, 10650755), (5, 4260302), (10, 2130151), (17, 1253030), (34, 626515), (85, 250606), (170, 125303)]