21920330

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{46639}}^1$

素因数の和:46693

約数の個数: 16

約数和(自身を含む): 40296960

約数和(自身を除く): 18376630

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 46639, 93278, 233195, 466390, 2192033, 4384066, 10960165, 21920330]

約数ペア:

[(1, 21920330), (2, 10960165), (5, 4384066), (10, 2192033), (47, 466390), (94, 233195), (235, 93278), (470, 46639)]