21219384

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8263}}^1$

素因数の和:8379

約数の個数: 32

約数和(自身を含む): 53550720

約数和(自身を除く): 32331336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8263, 16526, 24789, 33052, 49578, 66104, 99156, 198312, 884141, 1768282, 2652423, 3536564, 5304846, 7073128, 10609692, 21219384]

約数ペア:

[(1, 21219384), (2, 10609692), (3, 7073128), (4, 5304846), (6, 3536564), (8, 2652423), (12, 1768282), (24, 884141), (107, 198312), (214, 99156), (321, 66104), (428, 49578), (642, 33052), (856, 24789), (1284, 16526), (2568, 8263)]