21930363

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26777}}^1$

素因数の和:26803

約数の個数: 24

約数和(自身を含む): 38988768

約数和(自身を除く): 17058405

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26777, 80331, 187439, 240993, 348101, 562317, 1044303, 1686951, 2436707, 3132909, 7310121, 21930363]

約数ペア:

[(1, 21930363), (3, 7310121), (7, 3132909), (9, 2436707), (13, 1686951), (21, 1044303), (39, 562317), (63, 348101), (91, 240993), (117, 187439), (273, 80331), (819, 26777)]