21267356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11789}}^1$

素因数の和:11845

約数の個数: 24

約数和(自身を含む): 41595120

約数和(自身を除く): 20327764

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11789, 23578, 47156, 129679, 259358, 483349, 518716, 966698, 1933396, 5316839, 10633678, 21267356]

約数ペア:

[(1, 21267356), (2, 10633678), (4, 5316839), (11, 1933396), (22, 966698), (41, 518716), (44, 483349), (82, 259358), (164, 129679), (451, 47156), (902, 23578), (1804, 11789)]