21377692

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2903}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 42932736

約数和(自身を除く): 21555044

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2903, 3682, 5806, 7364, 11612, 20321, 40642, 81284, 763489, 1526978, 3053956, 5344423, 10688846, 21377692]

約数ペア:

[(1, 21377692), (2, 10688846), (4, 5344423), (7, 3053956), (14, 1526978), (28, 763489), (263, 81284), (526, 40642), (1052, 20321), (1841, 11612), (2903, 7364), (3682, 5806)]