21543093

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 16982667

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 881, 1287, 1881, 2223, 2643, 2717, 7929, 8151, 9691, 11453, 16739, 24453, 29073, 34359, 50217, 87219, 103077, 125983, 150651, 184129, 217607, 377949, 552387, 652821, 1133847, 1657161, 1958463, 2393677, 7181031, 21543093]

約数ペア:

[(1, 21543093), (3, 7181031), (9, 2393677), (11, 1958463), (13, 1657161), (19, 1133847), (33, 652821), (39, 552387), (57, 377949), (99, 217607), (117, 184129), (143, 150651), (171, 125983), (209, 103077), (247, 87219), (429, 50217), (627, 34359), (741, 29073), (881, 24453), (1287, 16739), (1881, 11453), (2223, 9691), (2643, 8151), (2717, 7929)]