21240122

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1459}}^1$

素因数の和:1741

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 11872678

約数列:

[1, 2, 29, 58, 251, 502, 1459, 2918, 7279, 14558, 42311, 84622, 366209, 732418, 10620061, 21240122]

約数ペア:

[(1, 21240122), (2, 10620061), (29, 732418), (58, 366209), (251, 84622), (502, 42311), (1459, 14558), (2918, 7279)]