21262448

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4273}}^1$

素因数の和:4592

約数の個数: 20

約数和(自身を含む): 41338128

約数和(自身を除く): 20075680

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4273, 4976, 8546, 17092, 34184, 68368, 1328903, 2657806, 5315612, 10631224, 21262448]

約数ペア:

[(1, 21262448), (2, 10631224), (4, 5315612), (8, 2657806), (16, 1328903), (311, 68368), (622, 34184), (1244, 17092), (2488, 8546), (4273, 4976)]