21089969145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{63103}}^1$

素因数の和:64182

約数の個数: 48

約数和(自身を含む): 41818263552

約数和(自身を除く): 20728294407

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1061, 3183, 5305, 7427, 9549, 15915, 22281, 37135, 47745, 63103, 66843, 111405, 189309, 315515, 334215, 441721, 567927, 946545, 1325163, 2208605, 2839635, 3975489, 6625815, 19877445, 66952283, 200856849, 334761415, 468665981, 602570547, 1004284245, 1405997943, 2343329905, 3012852735, 4217993829, 7029989715, 21089969145]

約数ペア:

[(1, 21089969145), (3, 7029989715), (5, 4217993829), (7, 3012852735), (9, 2343329905), (15, 1405997943), (21, 1004284245), (35, 602570547), (45, 468665981), (63, 334761415), (105, 200856849), (315, 66952283), (1061, 19877445), (3183, 6625815), (5305, 3975489), (7427, 2839635), (9549, 2208605), (15915, 1325163), (22281, 946545), (37135, 567927), (47745, 441721), (63103, 334215), (66843, 315515), (111405, 189309)]