21000984002

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1\times {\mathrm{3833}}^1$

素因数の和:4598

約数の個数: 32

約数和(自身を含む): 32627493360

約数和(自身を除く): 11626509358

約数列:

[1, 2, 41, 82, 109, 218, 613, 1226, 3833, 4469, 7666, 8938, 25133, 50266, 66817, 133634, 157153, 314306, 417797, 835594, 2349629, 2739497, 4699258, 5478994, 17129677, 34259354, 96334789, 192669578, 256109561, 512219122, 10500492001, 21000984002]

約数ペア:

[(1, 21000984002), (2, 10500492001), (41, 512219122), (82, 256109561), (109, 192669578), (218, 96334789), (613, 34259354), (1226, 17129677), (3833, 5478994), (4469, 4699258), (7666, 2739497), (8938, 2349629), (25133, 835594), (50266, 417797), (66817, 314306), (133634, 157153)]