21999734

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4723}}^1$

素因数の和:4879

約数の個数: 16

約数和(自身を含む): 35203248

約数和(自身を除く): 13203514

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 4723, 9446, 80291, 160582, 647051, 1294102, 10999867, 21999734]

約数ペア:

[(1, 21999734), (2, 10999867), (17, 1294102), (34, 647051), (137, 160582), (274, 80291), (2329, 9446), (4658, 4723)]