21987000000

素因数分解:

$2^6\times 3^2\times 5^6\times 7^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 588

約数和(自身を含む): 90287906800

約数和(自身を除く): 68300906800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 320, 336, 349, 350, 360, 375, 400, 420, 448, 450, 480, 500, 504, 525, 560, 576, 600, 625, 630, 672, 698, 700, 720, 750, 800, 840, 875, 900, 960, 1000, 1008, 1047, 1050, 1120, 1125, 1200, 1250, 1260, 1344, 1396, 1400, 1440, 1500, 1575, 1600, 1680, 1745, 1750, 1800, 1875, 2000, 2016, 2094, 2100, 2240, 2250, 2400, 2443, 2500, 2520, 2625, 2792, 2800, 2880, 3000, 3125, 3141, 3150, 3360, 3490, 3500, 3600, 3750, 4000, 4032, 4188, 4200, 4375, 4500, 4800, 4886, 5000, 5040, 5235, 5250, 5584, 5600, 5625, 6000, 6250, 6282, 6300, 6720, 6980, 7000, 7200, 7329, 7500, 7875, 8000, 8376, 8400, 8725, 8750, 9000, 9375, 9772, 10000, 10080, 10470, 10500, 11168, 11200, 11250, 12000, 12215, 12500, 12564, 12600, 13125, 13960, 14000, 14400, 14658, 15000, 15625, 15705, 15750, 16752, 16800, 17450, 17500, 18000, 18750, 19544, 20000, 20160, 20940, 21000, 21875, 21987, 22336, 22500, 24000, 24430, 25000, 25128, 25200, 26175, 26250, 27920, 28000, 28125, 29316, 30000, 31250, 31410, 31500, 33504, 33600, 34900, 35000, 36000, 36645, 37500, 39088, 39375, 40000, 41880, 42000, 43625, 43750, 43974, 45000, 46875, 48860, 50000, 50256, 50400, 52350, 52500, 55840, 56000, 56250, 58632, 60000, 61075, 62500, 62820, 63000, 65625, 67008, 69800, 70000, 72000, 73290, 75000, 78176, 78525, 78750, 83760, 84000, 87250, 87500, 87948, 90000, 93750, 97720, 100000, 100512, 100800, 104700, 105000, 109375, 109935, 111680, 112500, 117264, 120000, 122150, 125000, 125640, 126000, 130875, 131250, 139600, 140000, 140625, 146580, 150000, 156352, 157050, 157500, 167520, 168000, 174500, 175000, 175896, 180000, 183225, 187500, 195440, 196875, 200000, 201024, 209400, 210000, 218125, 218750, 219870, 225000, 234528, 244300, 250000, 251280, 252000, 261750, 262500, 279200, 280000, 281250, 293160, 300000, 305375, 314100, 315000, 328125, 335040, 349000, 350000, 351792, 360000, 366450, 375000, 390880, 392625, 393750, 418800, 420000, 436250, 437500, 439740, 450000, 469056, 488600, 500000, 502560, 504000, 523500, 525000, 549675, 558400, 562500, 586320, 600000, 610750, 628200, 630000, 654375, 656250, 698000, 700000, 703584, 732900, 750000, 781760, 785250, 787500, 837600, 840000, 872500, 875000, 879480, 900000, 916125, 977200, 984375, 1000000, 1005120, 1047000, 1050000, 1090625, 1099350, 1125000, 1172640, 1221500, 1256400, 1260000, 1308750, 1312500, 1396000, 1400000, 1407168, 1465800, 1500000, 1526875, 1570500, 1575000, 1675200, 1745000, 1750000, 1758960, 1800000, 1832250, 1954400, 1963125, 1968750, 2094000, 2100000, 2181250, 2198700, 2250000, 2345280, 2443000, 2512800, 2520000, 2617500, 2625000, 2748375, 2792000, 2931600, 3000000, 3053750, 3141000, 3150000, 3271875, 3490000, 3500000, 3517920, 3664500, 3908800, 3926250, 3937500, 4188000, 4200000, 4362500, 4397400, 4500000, 4580625, 4886000, 5025600, 5235000, 5250000, 5453125, 5496750, 5863200, 6107500, 6282000, 6300000, 6543750, 6980000, 7000000, 7035840, 7329000, 7634375, 7852500, 7875000, 8376000, 8725000, 8794800, 9000000, 9161250, 9772000, 9815625, 10470000, 10500000, 10906250, 10993500, 11726400, 12215000, 12564000, 12600000, 13087500, 13741875, 13960000, 14658000, 15268750, 15705000, 15750000, 16359375, 17450000, 17589600, 18322500, 19544000, 19631250, 20940000, 21000000, 21812500, 21987000, 22903125, 24430000, 25128000, 26175000, 27483750, 29316000, 30537500, 31410000, 31500000, 32718750, 34900000, 35179200, 36645000, 38171875, 39262500, 41880000, 43625000, 43974000, 45806250, 48860000, 49078125, 52350000, 54967500, 58632000, 61075000, 62820000, 63000000, 65437500, 68709375, 69800000, 73290000, 76343750, 78525000, 87250000, 87948000, 91612500, 97720000, 98156250, 104700000, 109935000, 114515625, 122150000, 125640000, 130875000, 137418750, 146580000, 152687500, 157050000, 174500000, 175896000, 183225000, 196312500, 209400000, 219870000, 229031250, 244300000, 261750000, 274837500, 293160000, 305375000, 314100000, 343546875, 349000000, 366450000, 392625000, 439740000, 458062500, 488600000, 523500000, 549675000, 610750000, 628200000, 687093750, 732900000, 785250000, 879480000, 916125000, 1047000000, 1099350000, 1221500000, 1374187500, 1465800000, 1570500000, 1832250000, 2198700000, 2443000000, 2748375000, 3141000000, 3664500000, 4397400000, 5496750000, 7329000000, 10993500000, 21987000000]

約数ペア:

[(1, 21987000000), (2, 10993500000), (3, 7329000000), (4, 5496750000), (5, 4397400000), (6, 3664500000), (7, 3141000000), (8, 2748375000), (9, 2443000000), (10, 2198700000), (12, 1832250000), (14, 1570500000), (15, 1465800000), (16, 1374187500), (18, 1221500000), (20, 1099350000), (21, 1047000000), (24, 916125000), (25, 879480000), (28, 785250000), (30, 732900000), (32, 687093750), (35, 628200000), (36, 610750000), (40, 549675000), (42, 523500000), (45, 488600000), (48, 458062500), (50, 439740000), (56, 392625000), (60, 366450000), (63, 349000000), (64, 343546875), (70, 314100000), (72, 305375000), (75, 293160000), (80, 274837500), (84, 261750000), (90, 244300000), (96, 229031250), (100, 219870000), (105, 209400000), (112, 196312500), (120, 183225000), (125, 175896000), (126, 174500000), (140, 157050000), (144, 152687500), (150, 146580000), (160, 137418750), (168, 130875000), (175, 125640000), (180, 122150000), (192, 114515625), (200, 109935000), (210, 104700000), (224, 98156250), (225, 97720000), (240, 91612500), (250, 87948000), (252, 87250000), (280, 78525000), (288, 76343750), (300, 73290000), (315, 69800000), (320, 68709375), (336, 65437500), (349, 63000000), (350, 62820000), (360, 61075000), (375, 58632000), (400, 54967500), (420, 52350000), (448, 49078125), (450, 48860000), (480, 45806250), (500, 43974000), (504, 43625000), (525, 41880000), (560, 39262500), (576, 38171875), (600, 36645000), (625, 35179200), (630, 34900000), (672, 32718750), (698, 31500000), (700, 31410000), (720, 30537500), (750, 29316000), (800, 27483750), (840, 26175000), (875, 25128000), (900, 24430000), (960, 22903125), (1000, 21987000), (1008, 21812500), (1047, 21000000), (1050, 20940000), (1120, 19631250), (1125, 19544000), (1200, 18322500), (1250, 17589600), (1260, 17450000), (1344, 16359375), (1396, 15750000), (1400, 15705000), (1440, 15268750), (1500, 14658000), (1575, 13960000), (1600, 13741875), (1680, 13087500), (1745, 12600000), (1750, 12564000), (1800, 12215000), (1875, 11726400), (2000, 10993500), (2016, 10906250), (2094, 10500000), (2100, 10470000), (2240, 9815625), (2250, 9772000), (2400, 9161250), (2443, 9000000), (2500, 8794800), (2520, 8725000), (2625, 8376000), (2792, 7875000), (2800, 7852500), (2880, 7634375), (3000, 7329000), (3125, 7035840), (3141, 7000000), (3150, 6980000), (3360, 6543750), (3490, 6300000), (3500, 6282000), (3600, 6107500), (3750, 5863200), (4000, 5496750), (4032, 5453125), (4188, 5250000), (4200, 5235000), (4375, 5025600), (4500, 4886000), (4800, 4580625), (4886, 4500000), (5000, 4397400), (5040, 4362500), (5235, 4200000), (5250, 4188000), (5584, 3937500), (5600, 3926250), (5625, 3908800), (6000, 3664500), (6250, 3517920), (6282, 3500000), (6300, 3490000), (6720, 3271875), (6980, 3150000), (7000, 3141000), (7200, 3053750), (7329, 3000000), (7500, 2931600), (7875, 2792000), (8000, 2748375), (8376, 2625000), (8400, 2617500), (8725, 2520000), (8750, 2512800), (9000, 2443000), (9375, 2345280), (9772, 2250000), (10000, 2198700), (10080, 2181250), (10470, 2100000), (10500, 2094000), (11168, 1968750), (11200, 1963125), (11250, 1954400), (12000, 1832250), (12215, 1800000), (12500, 1758960), (12564, 1750000), (12600, 1745000), (13125, 1675200), (13960, 1575000), (14000, 1570500), (14400, 1526875), (14658, 1500000), (15000, 1465800), (15625, 1407168), (15705, 1400000), (15750, 1396000), (16752, 1312500), (16800, 1308750), (17450, 1260000), (17500, 1256400), (18000, 1221500), (18750, 1172640), (19544, 1125000), (20000, 1099350), (20160, 1090625), (20940, 1050000), (21000, 1047000), (21875, 1005120), (21987, 1000000), (22336, 984375), (22500, 977200), (24000, 916125), (24430, 900000), (25000, 879480), (25128, 875000), (25200, 872500), (26175, 840000), (26250, 837600), (27920, 787500), (28000, 785250), (28125, 781760), (29316, 750000), (30000, 732900), (31250, 703584), (31410, 700000), (31500, 698000), (33504, 656250), (33600, 654375), (34900, 630000), (35000, 628200), (36000, 610750), (36645, 600000), (37500, 586320), (39088, 562500), (39375, 558400), (40000, 549675), (41880, 525000), (42000, 523500), (43625, 504000), (43750, 502560), (43974, 500000), (45000, 488600), (46875, 469056), (48860, 450000), (50000, 439740), (50256, 437500), (50400, 436250), (52350, 420000), (52500, 418800), (55840, 393750), (56000, 392625), (56250, 390880), (58632, 375000), (60000, 366450), (61075, 360000), (62500, 351792), (62820, 350000), (63000, 349000), (65625, 335040), (67008, 328125), (69800, 315000), (70000, 314100), (72000, 305375), (73290, 300000), (75000, 293160), (78176, 281250), (78525, 280000), (78750, 279200), (83760, 262500), (84000, 261750), (87250, 252000), (87500, 251280), (87948, 250000), (90000, 244300), (93750, 234528), (97720, 225000), (100000, 219870), (100512, 218750), (100800, 218125), (104700, 210000), (105000, 209400), (109375, 201024), (109935, 200000), (111680, 196875), (112500, 195440), (117264, 187500), (120000, 183225), (122150, 180000), (125000, 175896), (125640, 175000), (126000, 174500), (130875, 168000), (131250, 167520), (139600, 157500), (140000, 157050), (140625, 156352), (146580, 150000)]