21804392

素因数分解:

$2^3\times {\mathrm{1279}}^1\times {\mathrm{2131}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 40934400

約数和(自身を除く): 19130008

約数列:

[1, 2, 4, 8, 1279, 2131, 2558, 4262, 5116, 8524, 10232, 17048, 2725549, 5451098, 10902196, 21804392]

約数ペア:

[(1, 21804392), (2, 10902196), (4, 5451098), (8, 2725549), (1279, 17048), (2131, 10232), (2558, 8524), (4262, 5116)]