21886772

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2477}}^1$

素因数の和:2575

約数の個数: 18

約数和(自身を含む): 39149922

約数和(自身を除く): 17263150

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2477, 4418, 4954, 8836, 9908, 116419, 232838, 465676, 5471693, 10943386, 21886772]

約数ペア:

[(1, 21886772), (2, 10943386), (4, 5471693), (47, 465676), (94, 232838), (188, 116419), (2209, 9908), (2477, 8836), (4418, 4954)]