21135070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17467}}^1$

素因数の和:17496

約数の個数: 24

約数和(自身を含む): 41818392

約数和(自身を除く): 20683322

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17467, 34934, 87335, 174670, 192137, 384274, 960685, 1921370, 2113507, 4227014, 10567535, 21135070]

約数ペア:

[(1, 21135070), (2, 10567535), (5, 4227014), (10, 2113507), (11, 1921370), (22, 960685), (55, 384274), (110, 192137), (121, 174670), (242, 87335), (605, 34934), (1210, 17467)]