21256532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11783}}^1$

素因数の和:11839

約数の個数: 24

約数和(自身を含む): 41573952

約数和(自身を除く): 20317420

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11783, 23566, 47132, 129613, 259226, 483103, 518452, 966206, 1932412, 5314133, 10628266, 21256532]

約数ペア:

[(1, 21256532), (2, 10628266), (4, 5314133), (11, 1932412), (22, 966206), (41, 518452), (44, 483103), (82, 259226), (164, 129613), (451, 47132), (902, 23566), (1804, 11783)]