21758410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75029}}^1$

素因数の和:75065

約数の個数: 16

約数和(自身を含む): 40516200

約数和(自身を除く): 18757790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75029, 150058, 375145, 750290, 2175841, 4351682, 10879205, 21758410]

約数ペア:

[(1, 21758410), (2, 10879205), (5, 4351682), (10, 2175841), (29, 750290), (58, 375145), (145, 150058), (290, 75029)]