21116815906

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4161769}}^1$

素因数の和:4161873

約数の個数: 16

約数和(自身を含む): 32961218400

約数和(自身を除く): 11844402494

約数列:

[1, 2, 43, 59, 86, 118, 2537, 5074, 4161769, 8323538, 178956067, 245544371, 357912134, 491088742, 10558407953, 21116815906]

約数ペア:

[(1, 21116815906), (2, 10558407953), (43, 491088742), (59, 357912134), (86, 245544371), (118, 178956067), (2537, 8323538), (5074, 4161769)]