21141076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11719}}^1$

素因数の和:11775

約数の個数: 24

約数和(自身を含む): 41348160

約数和(自身を除く): 20207084

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11719, 23438, 46876, 128909, 257818, 480479, 515636, 960958, 1921916, 5285269, 10570538, 21141076]

約数ペア:

[(1, 21141076), (2, 10570538), (4, 5285269), (11, 1921916), (22, 960958), (41, 515636), (44, 480479), (82, 257818), (164, 128909), (451, 46876), (902, 23438), (1804, 11719)]