21162568

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3467}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 24615032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3467, 6104, 6934, 13868, 24269, 27736, 48538, 97076, 194152, 377903, 755806, 1511612, 2645321, 3023224, 5290642, 10581284, 21162568]

約数ペア:

[(1, 21162568), (2, 10581284), (4, 5290642), (7, 3023224), (8, 2645321), (14, 1511612), (28, 755806), (56, 377903), (109, 194152), (218, 97076), (436, 48538), (763, 27736), (872, 24269), (1526, 13868), (3052, 6934), (3467, 6104)]