21213356

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17433364

約数列:

[1, 2, 4, 47, 53, 94, 106, 188, 212, 2129, 2491, 4258, 4982, 8516, 9964, 100063, 112837, 200126, 225674, 400252, 451348, 5303339, 10606678, 21213356]

約数ペア:

[(1, 21213356), (2, 10606678), (4, 5303339), (47, 451348), (53, 400252), (94, 225674), (106, 200126), (188, 112837), (212, 100063), (2129, 9964), (2491, 8516), (4258, 4982)]