21423716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2791}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 39869760

約数和(自身を除く): 18446044

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2791, 3838, 5582, 7676, 11164, 53029, 106058, 212116, 281891, 563782, 1127564, 5355929, 10711858, 21423716]

約数ペア:

[(1, 21423716), (2, 10711858), (4, 5355929), (19, 1127564), (38, 563782), (76, 281891), (101, 212116), (202, 106058), (404, 53029), (1919, 11164), (2791, 7676), (3838, 5582)]