21000299056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2910241}}^1$

素因数の和:2910301

約数の個数: 40

約数和(自身を含む): 45469621008

約数和(自身を除く): 24469321952

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 7216, 2910241, 5820482, 11640964, 23281928, 32012651, 46563856, 64025302, 119319881, 128050604, 238639762, 256101208, 477279524, 512202416, 954559048, 1312518691, 1909118096, 2625037382, 5250074764, 10500149528, 21000299056]

約数ペア:

[(1, 21000299056), (2, 10500149528), (4, 5250074764), (8, 2625037382), (11, 1909118096), (16, 1312518691), (22, 954559048), (41, 512202416), (44, 477279524), (82, 256101208), (88, 238639762), (164, 128050604), (176, 119319881), (328, 64025302), (451, 46563856), (656, 32012651), (902, 23281928), (1804, 11640964), (3608, 5820482), (7216, 2910241)]