2021301891

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{20929}}^1$

素因数の和:21025

約数の個数: 48

約数和(自身を含む): 3531309600

約数和(自身を除く): 1510007709

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 441, 511, 657, 1323, 1533, 1971, 3577, 4599, 10731, 13797, 20929, 32193, 62787, 96579, 146503, 188361, 439509, 565083, 1025521, 1318527, 1527817, 3076563, 3955581, 4583451, 9229689, 10694719, 13750353, 27689067, 32084157, 41251059, 74863033, 96252471, 224589099, 288757413, 673767297, 2021301891]

約数ペア:

[(1, 2021301891), (3, 673767297), (7, 288757413), (9, 224589099), (21, 96252471), (27, 74863033), (49, 41251059), (63, 32084157), (73, 27689067), (147, 13750353), (189, 10694719), (219, 9229689), (441, 4583451), (511, 3955581), (657, 3076563), (1323, 1527817), (1533, 1318527), (1971, 1025521), (3577, 565083), (4599, 439509), (10731, 188361), (13797, 146503), (20929, 96579), (32193, 62787)]