21252186

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 50198400

約数和(自身を除く): 28946214

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 41, 54, 58, 82, 87, 123, 174, 246, 261, 331, 369, 522, 662, 738, 783, 993, 1107, 1189, 1566, 1986, 2214, 2378, 2979, 3567, 5958, 7134, 8937, 9599, 10701, 13571, 17874, 19198, 21402, 27142, 28797, 32103, 40713, 57594, 64206, 81426, 86391, 122139, 172782, 244278, 259173, 366417, 393559, 518346, 732834, 787118, 1180677, 2361354, 3542031, 7084062, 10626093, 21252186]

約数ペア:

[(1, 21252186), (2, 10626093), (3, 7084062), (6, 3542031), (9, 2361354), (18, 1180677), (27, 787118), (29, 732834), (41, 518346), (54, 393559), (58, 366417), (82, 259173), (87, 244278), (123, 172782), (174, 122139), (246, 86391), (261, 81426), (331, 64206), (369, 57594), (522, 40713), (662, 32103), (738, 28797), (783, 27142), (993, 21402), (1107, 19198), (1189, 17874), (1566, 13571), (1986, 10701), (2214, 9599), (2378, 8937), (2979, 7134), (3567, 5958)]