21222564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3800

約数の個数: 48

約数和(自身を含む): 55292160

約数和(自身を除く): 34069596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3739, 5676, 7478, 11217, 14956, 22434, 41129, 44868, 82258, 123387, 160777, 164516, 246774, 321554, 482331, 493548, 643108, 964662, 1768547, 1929324, 3537094, 5305641, 7074188, 10611282, 21222564]

約数ペア:

[(1, 21222564), (2, 10611282), (3, 7074188), (4, 5305641), (6, 3537094), (11, 1929324), (12, 1768547), (22, 964662), (33, 643108), (43, 493548), (44, 482331), (66, 321554), (86, 246774), (129, 164516), (132, 160777), (172, 123387), (258, 82258), (473, 44868), (516, 41129), (946, 22434), (1419, 14956), (1892, 11217), (2838, 7478), (3739, 5676)]