21743876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26059516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 308, 311, 454, 622, 908, 1244, 1589, 2177, 2497, 3178, 3421, 4354, 4994, 6356, 6842, 8708, 9988, 13684, 17479, 23947, 34958, 47894, 69916, 70597, 95788, 141194, 282388, 494179, 776567, 988358, 1553134, 1976716, 3106268, 5435969, 10871938, 21743876]

約数ペア:

[(1, 21743876), (2, 10871938), (4, 5435969), (7, 3106268), (11, 1976716), (14, 1553134), (22, 988358), (28, 776567), (44, 494179), (77, 282388), (154, 141194), (227, 95788), (308, 70597), (311, 69916), (454, 47894), (622, 34958), (908, 23947), (1244, 17479), (1589, 13684), (2177, 9988), (2497, 8708), (3178, 6842), (3421, 6356), (4354, 4994)]