21218712

素因数分解:

$2^3\times 3^1\times {\mathrm{317}}^1\times {\mathrm{2789}}^1$

素因数の和:3115

約数の個数: 32

約数和(自身を含む): 53233200

約数和(自身を除く): 32014488

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 317, 634, 951, 1268, 1902, 2536, 2789, 3804, 5578, 7608, 8367, 11156, 16734, 22312, 33468, 66936, 884113, 1768226, 2652339, 3536452, 5304678, 7072904, 10609356, 21218712]

約数ペア:

[(1, 21218712), (2, 10609356), (3, 7072904), (4, 5304678), (6, 3536452), (8, 2652339), (12, 1768226), (24, 884113), (317, 66936), (634, 33468), (951, 22312), (1268, 16734), (1902, 11156), (2536, 8367), (2789, 7608), (3804, 5578)]