21144276

素因数分解:

$2^2\times 3^2\times {\mathrm{587341}}^1$

素因数の和:587351

約数の個数: 18

約数和(自身を含む): 53448122

約数和(自身を除く): 32303846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587341, 1174682, 1762023, 2349364, 3524046, 5286069, 7048092, 10572138, 21144276]

約数ペア:

[(1, 21144276), (2, 10572138), (3, 7048092), (4, 5286069), (6, 3524046), (9, 2349364), (12, 1762023), (18, 1174682), (36, 587341)]