21392924

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2441}}^1$

素因数の和:2765

約数の個数: 24

約数和(自身を含む): 42940128

約数和(自身を除く): 21547204

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2441, 4382, 4882, 8764, 9764, 17087, 34174, 68348, 764033, 1528066, 3056132, 5348231, 10696462, 21392924]

約数ペア:

[(1, 21392924), (2, 10696462), (4, 5348231), (7, 3056132), (14, 1528066), (28, 764033), (313, 68348), (626, 34174), (1252, 17087), (2191, 9764), (2441, 8764), (4382, 4882)]