21776812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2837}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 40526640

約数和(自身を除く): 18749828

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2837, 3838, 5674, 7676, 11348, 53903, 107806, 215612, 286537, 573074, 1146148, 5444203, 10888406, 21776812]

約数ペア:

[(1, 21776812), (2, 10888406), (4, 5444203), (19, 1146148), (38, 573074), (76, 286537), (101, 215612), (202, 107806), (404, 53903), (1919, 11348), (2837, 7676), (3838, 5674)]