21488824

素因数分解:

$2^3\times 7^1\times {\mathrm{383729}}^1$

素因数の和:383742

約数の個数: 16

約数和(自身を含む): 46047600

約数和(自身を除く): 24558776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383729, 767458, 1534916, 2686103, 3069832, 5372206, 10744412, 21488824]

約数ペア:

[(1, 21488824), (2, 10744412), (4, 5372206), (7, 3069832), (8, 2686103), (14, 1534916), (28, 767458), (56, 383729)]