21599788

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 44276232

約数和(自身を除く): 22676444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 571, 772, 1142, 1351, 2284, 2702, 3997, 5404, 7994, 9457, 15988, 18914, 27979, 37828, 55958, 110203, 111916, 220406, 440812, 771421, 1542842, 3085684, 5399947, 10799894, 21599788]

約数ペア:

[(1, 21599788), (2, 10799894), (4, 5399947), (7, 3085684), (14, 1542842), (28, 771421), (49, 440812), (98, 220406), (193, 111916), (196, 110203), (386, 55958), (571, 37828), (772, 27979), (1142, 18914), (1351, 15988), (2284, 9457), (2702, 7994), (3997, 5404)]