21139060

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2441}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 44512776

約数和(自身を除く): 23373716

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2441, 4330, 4882, 8660, 9764, 12205, 24410, 48820, 1056953, 2113906, 4227812, 5284765, 10569530, 21139060]

約数ペア:

[(1, 21139060), (2, 10569530), (4, 5284765), (5, 4227812), (10, 2113906), (20, 1056953), (433, 48820), (866, 24410), (1732, 12205), (2165, 9764), (2441, 8660), (4330, 4882)]