21911792

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6357

約数の個数: 40

約数和(自身を含む): 50092032

約数和(自身を除く): 28180240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6311, 12622, 25244, 44177, 50488, 88354, 100976, 176708, 195641, 353416, 391282, 706832, 782564, 1369487, 1565128, 2738974, 3130256, 5477948, 10955896, 21911792]

約数ペア:

[(1, 21911792), (2, 10955896), (4, 5477948), (7, 3130256), (8, 2738974), (14, 1565128), (16, 1369487), (28, 782564), (31, 706832), (56, 391282), (62, 353416), (112, 195641), (124, 176708), (217, 100976), (248, 88354), (434, 50488), (496, 44177), (868, 25244), (1736, 12622), (3472, 6311)]