21252044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{883}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 40692288

約数和(自身を除く): 19440244

約数列:

[1, 2, 4, 11, 22, 44, 547, 883, 1094, 1766, 2188, 3532, 6017, 9713, 12034, 19426, 24068, 38852, 483001, 966002, 1932004, 5313011, 10626022, 21252044]

約数ペア:

[(1, 21252044), (2, 10626022), (4, 5313011), (11, 1932004), (22, 966002), (44, 483001), (547, 38852), (883, 24068), (1094, 19426), (1766, 12034), (2188, 9713), (3532, 6017)]