21176708

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1553}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 42467712

約数和(自身を除く): 21291004

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1553, 1948, 3106, 3409, 6212, 6818, 10871, 13636, 21742, 43484, 756311, 1512622, 3025244, 5294177, 10588354, 21176708]

約数ペア:

[(1, 21176708), (2, 10588354), (4, 5294177), (7, 3025244), (14, 1512622), (28, 756311), (487, 43484), (974, 21742), (1553, 13636), (1948, 10871), (3106, 6818), (3409, 6212)]