21501664

素因数分解:

$2^5\times {\mathrm{251}}^1\times {\mathrm{2677}}^1$

素因数の和:2938

約数の個数: 24

約数和(自身を含む): 42515928

約数和(自身を除く): 21014264

約数列:

[1, 2, 4, 8, 16, 32, 251, 502, 1004, 2008, 2677, 4016, 5354, 8032, 10708, 21416, 42832, 85664, 671927, 1343854, 2687708, 5375416, 10750832, 21501664]

約数ペア:

[(1, 21501664), (2, 10750832), (4, 5375416), (8, 2687708), (16, 1343854), (32, 671927), (251, 85664), (502, 42832), (1004, 21416), (2008, 10708), (2677, 8032), (4016, 5354)]