21711788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45613}}^1$

素因数の和:45641

約数の個数: 24

約数和(自身を含む): 45978912

約数和(自身を除く): 24267124

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45613, 91226, 182452, 319291, 638582, 775421, 1277164, 1550842, 3101684, 5427947, 10855894, 21711788]

約数ペア:

[(1, 21711788), (2, 10855894), (4, 5427947), (7, 3101684), (14, 1550842), (17, 1277164), (28, 775421), (34, 638582), (68, 319291), (119, 182452), (238, 91226), (476, 45613)]