21884716

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5623}}^1$

素因数の和:5773

約数の個数: 24

約数和(自身を含む): 44092160

約数和(自身を除く): 22207444

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5623, 11246, 22492, 39361, 78722, 157444, 781597, 1563194, 3126388, 5471179, 10942358, 21884716]

約数ペア:

[(1, 21884716), (2, 10942358), (4, 5471179), (7, 3126388), (14, 1563194), (28, 781597), (139, 157444), (278, 78722), (556, 39361), (973, 22492), (1946, 11246), (3892, 5623)]