21391084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37397}}^1$

素因数の和:37425

約数の個数: 24

約数和(自身を含む): 43980048

約数和(自身を除く): 22588964

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37397, 74794, 149588, 411367, 486161, 822734, 972322, 1645468, 1944644, 5347771, 10695542, 21391084]

約数ペア:

[(1, 21391084), (2, 10695542), (4, 5347771), (11, 1944644), (13, 1645468), (22, 972322), (26, 822734), (44, 486161), (52, 411367), (143, 149588), (286, 74794), (572, 37397)]