21521822

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4943}}^1$

素因数の和:5263

約数の個数: 16

約数和(自身を含む): 37020672

約数和(自身を除く): 15498850

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4943, 9886, 34601, 69202, 1537273, 3074546, 10760911, 21521822]

約数ペア:

[(1, 21521822), (2, 10760911), (7, 3074546), (14, 1537273), (311, 69202), (622, 34601), (2177, 9886), (4354, 4943)]