21305061

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5417}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 33808320

約数和(自身を除く): 12503259

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5417, 16251, 48753, 102923, 124591, 308769, 373773, 926307, 1121319, 2367229, 7101687, 21305061]

約数ペア:

[(1, 21305061), (3, 7101687), (9, 2367229), (19, 1121319), (23, 926307), (57, 373773), (69, 308769), (171, 124591), (207, 102923), (437, 48753), (1311, 16251), (3933, 5417)]