21119164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1069}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 40446000

約数和(自身を除く): 19326836

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1069, 1796, 2138, 4276, 4939, 9878, 11759, 19756, 23518, 47036, 479981, 959962, 1919924, 5279791, 10559582, 21119164]

約数ペア:

[(1, 21119164), (2, 10559582), (4, 5279791), (11, 1919924), (22, 959962), (44, 479981), (449, 47036), (898, 23518), (1069, 19756), (1796, 11759), (2138, 9878), (4276, 4939)]