21236496

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10289}}^1$

素因数の和:10343

約数の個数: 40

約数和(自身を含む): 56142240

約数和(自身を除く): 34905744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10289, 20578, 30867, 41156, 61734, 82312, 123468, 164624, 246936, 442427, 493872, 884854, 1327281, 1769708, 2654562, 3539416, 5309124, 7078832, 10618248, 21236496]

約数ペア:

[(1, 21236496), (2, 10618248), (3, 7078832), (4, 5309124), (6, 3539416), (8, 2654562), (12, 1769708), (16, 1327281), (24, 884854), (43, 493872), (48, 442427), (86, 246936), (129, 164624), (172, 123468), (258, 82312), (344, 61734), (516, 41156), (688, 30867), (1032, 20578), (2064, 10289)]