21672665

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2017}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 29834112

約数和(自身を除く): 8161447

約数列:

[1, 5, 7, 35, 307, 1535, 2017, 2149, 10085, 10745, 14119, 70595, 619219, 3096095, 4334533, 21672665]

約数ペア:

[(1, 21672665), (5, 4334533), (7, 3096095), (35, 619219), (307, 70595), (1535, 14119), (2017, 10745), (2149, 10085)]