21133161

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 35843652

約数和(自身を除く): 14710491

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 277, 441, 519, 831, 1211, 1557, 1939, 2493, 3633, 5817, 8477, 10899, 13573, 17451, 25431, 40719, 47921, 76293, 122157, 143763, 335447, 431289, 1006341, 2348129, 3019023, 7044387, 21133161]

約数ペア:

[(1, 21133161), (3, 7044387), (7, 3019023), (9, 2348129), (21, 1006341), (49, 431289), (63, 335447), (147, 143763), (173, 122157), (277, 76293), (441, 47921), (519, 40719), (831, 25431), (1211, 17451), (1557, 13573), (1939, 10899), (2493, 8477), (3633, 5817)]