21056416

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{5023}}^1$

素因数の和:5164

約数の個数: 24

約数和(自身を含む): 41779584

約数和(自身を除く): 20723168

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 5023, 10046, 20092, 40184, 80368, 160736, 658013, 1316026, 2632052, 5264104, 10528208, 21056416]

約数ペア:

[(1, 21056416), (2, 10528208), (4, 5264104), (8, 2632052), (16, 1316026), (32, 658013), (131, 160736), (262, 80368), (524, 40184), (1048, 20092), (2096, 10046), (4192, 5023)]