21268190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125107}}^1$

素因数の和:125131

約数の個数: 16

約数和(自身を含む): 40534992

約数和(自身を除く): 19266802

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125107, 250214, 625535, 1251070, 2126819, 4253638, 10634095, 21268190]

約数ペア:

[(1, 21268190), (2, 10634095), (5, 4253638), (10, 2126819), (17, 1251070), (34, 625535), (85, 250214), (170, 125107)]