21109832

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71317}}^1$

素因数の和:71360

約数の個数: 16

約数和(自身を含む): 40651260

約数和(自身を除く): 19541428

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71317, 142634, 285268, 570536, 2638729, 5277458, 10554916, 21109832]

約数ペア:

[(1, 21109832), (2, 10554916), (4, 5277458), (8, 2638729), (37, 570536), (74, 285268), (148, 142634), (296, 71317)]