2021020148

素因数分解:

$2^2\times 7^1\times {\mathrm{4099}}^1\times {\mathrm{17609}}^1$

素因数の和:21719

約数の個数: 24

約数和(自身を含む): 4043256000

約数和(自身を除く): 2022235852

約数列:

[1, 2, 4, 7, 14, 28, 4099, 8198, 16396, 17609, 28693, 35218, 57386, 70436, 114772, 123263, 246526, 493052, 72179291, 144358582, 288717164, 505255037, 1010510074, 2021020148]

約数ペア:

[(1, 2021020148), (2, 1010510074), (4, 505255037), (7, 288717164), (14, 144358582), (28, 72179291), (4099, 493052), (8198, 246526), (16396, 123263), (17609, 114772), (28693, 70436), (35218, 57386)]