2021505003

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{111029}}^1$

素因数の和:111076

約数の個数: 36

約数和(自身を含む): 3544965840

約数和(自身を除く): 1523460837

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 2023, 2601, 6069, 18207, 111029, 333087, 777203, 999261, 1887493, 2331609, 5662479, 6994827, 13212451, 16987437, 32087381, 39637353, 96262143, 118912059, 224611667, 288786429, 673835001, 2021505003]

約数ペア:

[(1, 2021505003), (3, 673835001), (7, 288786429), (9, 224611667), (17, 118912059), (21, 96262143), (51, 39637353), (63, 32087381), (119, 16987437), (153, 13212451), (289, 6994827), (357, 5662479), (867, 2331609), (1071, 1887493), (2023, 999261), (2601, 777203), (6069, 333087), (18207, 111029)]