21053822720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2175

約数の個数: 288

約数和(自身を含む): 61965969408

約数和(自身を除く): 40912146688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 67, 68, 70, 80, 85, 112, 119, 128, 134, 136, 140, 160, 170, 224, 238, 256, 268, 272, 280, 320, 335, 340, 448, 469, 476, 536, 544, 560, 595, 640, 670, 680, 896, 938, 952, 1072, 1088, 1120, 1139, 1190, 1280, 1340, 1360, 1792, 1876, 1904, 2063, 2144, 2176, 2240, 2278, 2345, 2380, 2680, 2720, 3752, 3808, 4126, 4288, 4352, 4480, 4556, 4690, 4760, 5360, 5440, 5695, 7504, 7616, 7973, 8252, 8576, 8960, 9112, 9380, 9520, 10315, 10720, 10880, 11390, 14441, 15008, 15232, 15946, 16504, 17152, 18224, 18760, 19040, 20630, 21440, 21760, 22780, 28882, 30016, 30464, 31892, 33008, 35071, 36448, 37520, 38080, 39865, 41260, 42880, 45560, 57764, 60032, 63784, 66016, 70142, 72205, 72896, 75040, 76160, 79730, 82520, 85760, 91120, 115528, 120064, 127568, 132032, 138221, 140284, 144410, 145792, 150080, 152320, 159460, 165040, 175355, 182240, 231056, 245497, 255136, 264064, 276442, 280568, 288820, 291584, 300160, 318920, 330080, 350710, 364480, 462112, 490994, 510272, 528128, 552884, 561136, 577640, 600320, 637840, 660160, 691105, 701420, 728960, 924224, 967547, 981988, 1020544, 1105768, 1122272, 1155280, 1227485, 1275680, 1320320, 1382210, 1402840, 1457920, 1848448, 1935094, 1963976, 2041088, 2211536, 2244544, 2310560, 2349757, 2454970, 2551360, 2640640, 2764420, 2805680, 3696896, 3870188, 3927952, 4423072, 4489088, 4621120, 4699514, 4837735, 4909940, 5102720, 5528840, 5611360, 7740376, 7855904, 8846144, 8978176, 9242240, 9399028, 9675470, 9819880, 10205440, 11057680, 11222720, 11748785, 15480752, 15711808, 16448299, 17692288, 18484480, 18798056, 19350940, 19639760, 22115360, 22445440, 23497570, 30961504, 31423616, 32896598, 35384576, 37596112, 38701880, 39279520, 44230720, 44890880, 46995140, 61923008, 62847232, 65793196, 75192224, 77403760, 78559040, 82241495, 88461440, 93990280, 123846016, 131586392, 150384448, 154807520, 157118080, 164482990, 176922880, 187980560, 247692032, 263172784, 300768896, 309615040, 314236160, 328965980, 375961120, 526345568, 601537792, 619230080, 657931960, 751922240, 1052691136, 1238460160, 1315863920, 1503844480, 2105382272, 2631727840, 3007688960, 4210764544, 5263455680, 10526911360, 21053822720]

約数ペア:

[(1, 21053822720), (2, 10526911360), (4, 5263455680), (5, 4210764544), (7, 3007688960), (8, 2631727840), (10, 2105382272), (14, 1503844480), (16, 1315863920), (17, 1238460160), (20, 1052691136), (28, 751922240), (32, 657931960), (34, 619230080), (35, 601537792), (40, 526345568), (56, 375961120), (64, 328965980), (67, 314236160), (68, 309615040), (70, 300768896), (80, 263172784), (85, 247692032), (112, 187980560), (119, 176922880), (128, 164482990), (134, 157118080), (136, 154807520), (140, 150384448), (160, 131586392), (170, 123846016), (224, 93990280), (238, 88461440), (256, 82241495), (268, 78559040), (272, 77403760), (280, 75192224), (320, 65793196), (335, 62847232), (340, 61923008), (448, 46995140), (469, 44890880), (476, 44230720), (536, 39279520), (544, 38701880), (560, 37596112), (595, 35384576), (640, 32896598), (670, 31423616), (680, 30961504), (896, 23497570), (938, 22445440), (952, 22115360), (1072, 19639760), (1088, 19350940), (1120, 18798056), (1139, 18484480), (1190, 17692288), (1280, 16448299), (1340, 15711808), (1360, 15480752), (1792, 11748785), (1876, 11222720), (1904, 11057680), (2063, 10205440), (2144, 9819880), (2176, 9675470), (2240, 9399028), (2278, 9242240), (2345, 8978176), (2380, 8846144), (2680, 7855904), (2720, 7740376), (3752, 5611360), (3808, 5528840), (4126, 5102720), (4288, 4909940), (4352, 4837735), (4480, 4699514), (4556, 4621120), (4690, 4489088), (4760, 4423072), (5360, 3927952), (5440, 3870188), (5695, 3696896), (7504, 2805680), (7616, 2764420), (7973, 2640640), (8252, 2551360), (8576, 2454970), (8960, 2349757), (9112, 2310560), (9380, 2244544), (9520, 2211536), (10315, 2041088), (10720, 1963976), (10880, 1935094), (11390, 1848448), (14441, 1457920), (15008, 1402840), (15232, 1382210), (15946, 1320320), (16504, 1275680), (17152, 1227485), (18224, 1155280), (18760, 1122272), (19040, 1105768), (20630, 1020544), (21440, 981988), (21760, 967547), (22780, 924224), (28882, 728960), (30016, 701420), (30464, 691105), (31892, 660160), (33008, 637840), (35071, 600320), (36448, 577640), (37520, 561136), (38080, 552884), (39865, 528128), (41260, 510272), (42880, 490994), (45560, 462112), (57764, 364480), (60032, 350710), (63784, 330080), (66016, 318920), (70142, 300160), (72205, 291584), (72896, 288820), (75040, 280568), (76160, 276442), (79730, 264064), (82520, 255136), (85760, 245497), (91120, 231056), (115528, 182240), (120064, 175355), (127568, 165040), (132032, 159460), (138221, 152320), (140284, 150080), (144410, 145792)]