21200620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151433}}^1$

素因数の和:151449

約数の個数: 24

約数和(自身を含む): 50881824

約数和(自身を除く): 29681204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151433, 302866, 605732, 757165, 1060031, 1514330, 2120062, 3028660, 4240124, 5300155, 10600310, 21200620]

約数ペア:

[(1, 21200620), (2, 10600310), (4, 5300155), (5, 4240124), (7, 3028660), (10, 2120062), (14, 1514330), (20, 1060031), (28, 757165), (35, 605732), (70, 302866), (140, 151433)]