21613692

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41887}}^1$

素因数の和:41937

約数の個数: 24

約数和(自身を含む): 51606016

約数和(自身を除く): 29992324

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41887, 83774, 125661, 167548, 251322, 502644, 1801141, 3602282, 5403423, 7204564, 10806846, 21613692]

約数ペア:

[(1, 21613692), (2, 10806846), (3, 7204564), (4, 5403423), (6, 3602282), (12, 1801141), (43, 502644), (86, 251322), (129, 167548), (172, 125661), (258, 83774), (516, 41887)]