21446637

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 30409632

約数和(自身を除く): 8962995

約数列:

[1, 3, 31, 43, 93, 129, 173, 519, 961, 1333, 2883, 3999, 5363, 7439, 16089, 22317, 41323, 123969, 166253, 230609, 498759, 691827, 7148879, 21446637]

約数ペア:

[(1, 21446637), (3, 7148879), (31, 691827), (43, 498759), (93, 230609), (129, 166253), (173, 123969), (519, 41323), (961, 22317), (1333, 16089), (2883, 7439), (3999, 5363)]