21532216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65647}}^1$

素因数の和:65694

約数の個数: 16

約数和(自身を含む): 41358240

約数和(自身を除く): 19826024

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65647, 131294, 262588, 525176, 2691527, 5383054, 10766108, 21532216]

約数ペア:

[(1, 21532216), (2, 10766108), (4, 5383054), (8, 2691527), (41, 525176), (82, 262588), (164, 131294), (328, 65647)]