21119824

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10909}}^1$

素因数の和:10939

約数の個数: 30

約数和(自身を含む): 44981930

約数和(自身を除く): 23862106

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10909, 21818, 43636, 87272, 119999, 174544, 239998, 479996, 959992, 1319989, 1919984, 2639978, 5279956, 10559912, 21119824]

約数ペア:

[(1, 21119824), (2, 10559912), (4, 5279956), (8, 2639978), (11, 1919984), (16, 1319989), (22, 959992), (44, 479996), (88, 239998), (121, 174544), (176, 119999), (242, 87272), (484, 43636), (968, 21818), (1936, 10909)]