16221356

素因数分解:

$2^2\times {\mathrm{859}}^1\times {\mathrm{4721}}^1$

素因数の和:5584

約数の個数: 12

約数和(自身を含む): 28426440

約数和(自身を除く): 12205084

約数列:

[1, 2, 4, 859, 1718, 3436, 4721, 9442, 18884, 4055339, 8110678, 16221356]

約数ペア:

[(1, 16221356), (2, 8110678), (4, 4055339), (859, 18884), (1718, 9442), (3436, 4721)]