21115948

素因数分解:

$2^2\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1259}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 21220052

約数列:

[1, 2, 4, 7, 14, 28, 599, 1198, 1259, 2396, 2518, 4193, 5036, 8386, 8813, 16772, 17626, 35252, 754141, 1508282, 3016564, 5278987, 10557974, 21115948]

約数ペア:

[(1, 21115948), (2, 10557974), (4, 5278987), (7, 3016564), (14, 1508282), (28, 754141), (599, 35252), (1198, 17626), (1259, 16772), (2396, 8813), (2518, 8386), (4193, 5036)]