21150008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240341}}^1$

素因数の和:240358

約数の個数: 16

約数和(自身を含む): 43261560

約数和(自身を除く): 22111552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240341, 480682, 961364, 1922728, 2643751, 5287502, 10575004, 21150008]

約数ペア:

[(1, 21150008), (2, 10575004), (4, 5287502), (8, 2643751), (11, 1922728), (22, 961364), (44, 480682), (88, 240341)]