21164794

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4861}}^1$

素因数の和:5181

約数の個数: 16

約数和(自身を含む): 36406656

約数和(自身を除く): 15241862

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4861, 9722, 34027, 68054, 1511771, 3023542, 10582397, 21164794]

約数ペア:

[(1, 21164794), (2, 10582397), (7, 3023542), (14, 1511771), (311, 68054), (622, 34027), (2177, 9722), (4354, 4861)]