21512673

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26267}}^1$

素因数の和:26293

約数の個数: 24

約数和(自身を含む): 38246208

約数和(自身を除く): 16733535

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26267, 78801, 183869, 236403, 341471, 551607, 1024413, 1654821, 2390297, 3073239, 7170891, 21512673]

約数ペア:

[(1, 21512673), (3, 7170891), (7, 3073239), (9, 2390297), (13, 1654821), (21, 1024413), (39, 551607), (63, 341471), (91, 236403), (117, 183869), (273, 78801), (819, 26267)]