21442828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1567}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 41094144

約数和(自身を除く): 19651316

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1567, 3134, 3421, 6268, 6842, 13684, 17237, 34474, 68948, 487337, 974674, 1949348, 5360707, 10721414, 21442828]

約数ペア:

[(1, 21442828), (2, 10721414), (4, 5360707), (11, 1949348), (22, 974674), (44, 487337), (311, 68948), (622, 34474), (1244, 17237), (1567, 13684), (3134, 6842), (3421, 6268)]