21774951

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 36571392

約数和(自身を除く): 14796441

約数列:

[1, 3, 9, 11, 23, 33, 69, 73, 99, 131, 207, 219, 253, 393, 657, 759, 803, 1179, 1441, 1679, 2277, 2409, 3013, 4323, 5037, 7227, 9039, 9563, 12969, 15111, 18469, 27117, 28689, 33143, 55407, 86067, 99429, 105193, 166221, 219949, 298287, 315579, 659847, 946737, 1979541, 2419439, 7258317, 21774951]

約数ペア:

[(1, 21774951), (3, 7258317), (9, 2419439), (11, 1979541), (23, 946737), (33, 659847), (69, 315579), (73, 298287), (99, 219949), (131, 166221), (207, 105193), (219, 99429), (253, 86067), (393, 55407), (657, 33143), (759, 28689), (803, 27117), (1179, 18469), (1441, 15111), (1679, 12969), (2277, 9563), (2409, 9039), (3013, 7227), (4323, 5037)]