21585788

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1583}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 43287552

約数和(自身を除く): 21701764

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1583, 1948, 3166, 3409, 6332, 6818, 11081, 13636, 22162, 44324, 770921, 1541842, 3083684, 5396447, 10792894, 21585788]

約数ペア:

[(1, 21585788), (2, 10792894), (4, 5396447), (7, 3083684), (14, 1541842), (28, 770921), (487, 44324), (974, 22162), (1583, 13636), (1948, 11081), (3166, 6818), (3409, 6332)]