21320294

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 32438016

約数和(自身を除く): 11117722

約数列:

[1, 2, 151, 227, 302, 311, 454, 622, 34277, 46961, 68554, 70597, 93922, 141194, 10660147, 21320294]

約数ペア:

[(1, 21320294), (2, 10660147), (151, 141194), (227, 93922), (302, 70597), (311, 68554), (454, 46961), (622, 34277)]