21456568

素因数分解:

$2^3\times 7^1\times {\mathrm{383153}}^1$

素因数の和:383166

約数の個数: 16

約数和(自身を含む): 45978480

約数和(自身を除く): 24521912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383153, 766306, 1532612, 2682071, 3065224, 5364142, 10728284, 21456568]

約数ペア:

[(1, 21456568), (2, 10728284), (4, 5364142), (7, 3065224), (8, 2682071), (14, 1532612), (28, 766306), (56, 383153)]