21721294000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2293

約数の個数: 320

約数和(自身を含む): 64921559040

約数和(自身を除く): 43200265040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 37, 38, 40, 50, 56, 70, 74, 76, 80, 95, 100, 112, 125, 133, 140, 148, 152, 175, 185, 190, 200, 250, 259, 266, 280, 296, 304, 350, 370, 380, 400, 475, 500, 518, 532, 560, 592, 665, 700, 703, 740, 760, 875, 925, 950, 1000, 1036, 1064, 1295, 1330, 1400, 1406, 1480, 1520, 1750, 1850, 1900, 2000, 2072, 2128, 2207, 2375, 2590, 2660, 2800, 2812, 2960, 3325, 3500, 3515, 3700, 3800, 4144, 4414, 4625, 4750, 4921, 5180, 5320, 5624, 6475, 6650, 7000, 7030, 7400, 7600, 8828, 9250, 9500, 9842, 10360, 10640, 11035, 11248, 12950, 13300, 14000, 14060, 14800, 15449, 16625, 17575, 17656, 18500, 19000, 19684, 20720, 22070, 24605, 25900, 26600, 28120, 30898, 32375, 33250, 35150, 35312, 37000, 38000, 39368, 41933, 44140, 49210, 51800, 53200, 55175, 56240, 61796, 64750, 66500, 70300, 74000, 77245, 78736, 81659, 83866, 87875, 88280, 98420, 103600, 110350, 123025, 123592, 129500, 133000, 140600, 154490, 163318, 167732, 175750, 176560, 196840, 209665, 220700, 246050, 247184, 259000, 266000, 275875, 281200, 293531, 308980, 326636, 335464, 351500, 386225, 393680, 408295, 419330, 441400, 492100, 518000, 551750, 571613, 587062, 615125, 617960, 653272, 670928, 703000, 772450, 816590, 838660, 882800, 984200, 1048325, 1103500, 1143226, 1174124, 1230250, 1235920, 1306544, 1406000, 1467655, 1544900, 1551521, 1633180, 1677320, 1931125, 1968400, 2041475, 2096650, 2207000, 2286452, 2348248, 2460500, 2858065, 2935310, 3089800, 3103042, 3266360, 3354640, 3862250, 4082950, 4193300, 4414000, 4572904, 4696496, 4921000, 5241625, 5716130, 5870620, 6179600, 6206084, 6532720, 7338275, 7724500, 7757605, 8165900, 8386600, 9145808, 9842000, 10207375, 10483250, 10860647, 11432260, 11741240, 12412168, 14290325, 14676550, 15449000, 15515210, 16331800, 16773200, 20414750, 20966500, 21721294, 22864520, 23482480, 24824336, 28580650, 29353100, 30898000, 31030420, 32663600, 36691375, 38788025, 40829500, 41933000, 43442588, 45729040, 54303235, 57161300, 58706200, 62060840, 71451625, 73382750, 77576050, 81659000, 83866000, 86885176, 108606470, 114322600, 117412400, 124121680, 142903250, 146765500, 155152100, 163318000, 173770352, 193940125, 217212940, 228645200, 271516175, 285806500, 293531000, 310304200, 387880250, 434425880, 543032350, 571613000, 587062000, 620608400, 775760500, 868851760, 1086064700, 1143226000, 1357580875, 1551521000, 2172129400, 2715161750, 3103042000, 4344258800, 5430323500, 10860647000, 21721294000]

約数ペア:

[(1, 21721294000), (2, 10860647000), (4, 5430323500), (5, 4344258800), (7, 3103042000), (8, 2715161750), (10, 2172129400), (14, 1551521000), (16, 1357580875), (19, 1143226000), (20, 1086064700), (25, 868851760), (28, 775760500), (35, 620608400), (37, 587062000), (38, 571613000), (40, 543032350), (50, 434425880), (56, 387880250), (70, 310304200), (74, 293531000), (76, 285806500), (80, 271516175), (95, 228645200), (100, 217212940), (112, 193940125), (125, 173770352), (133, 163318000), (140, 155152100), (148, 146765500), (152, 142903250), (175, 124121680), (185, 117412400), (190, 114322600), (200, 108606470), (250, 86885176), (259, 83866000), (266, 81659000), (280, 77576050), (296, 73382750), (304, 71451625), (350, 62060840), (370, 58706200), (380, 57161300), (400, 54303235), (475, 45729040), (500, 43442588), (518, 41933000), (532, 40829500), (560, 38788025), (592, 36691375), (665, 32663600), (700, 31030420), (703, 30898000), (740, 29353100), (760, 28580650), (875, 24824336), (925, 23482480), (950, 22864520), (1000, 21721294), (1036, 20966500), (1064, 20414750), (1295, 16773200), (1330, 16331800), (1400, 15515210), (1406, 15449000), (1480, 14676550), (1520, 14290325), (1750, 12412168), (1850, 11741240), (1900, 11432260), (2000, 10860647), (2072, 10483250), (2128, 10207375), (2207, 9842000), (2375, 9145808), (2590, 8386600), (2660, 8165900), (2800, 7757605), (2812, 7724500), (2960, 7338275), (3325, 6532720), (3500, 6206084), (3515, 6179600), (3700, 5870620), (3800, 5716130), (4144, 5241625), (4414, 4921000), (4625, 4696496), (4750, 4572904), (4921, 4414000), (5180, 4193300), (5320, 4082950), (5624, 3862250), (6475, 3354640), (6650, 3266360), (7000, 3103042), (7030, 3089800), (7400, 2935310), (7600, 2858065), (8828, 2460500), (9250, 2348248), (9500, 2286452), (9842, 2207000), (10360, 2096650), (10640, 2041475), (11035, 1968400), (11248, 1931125), (12950, 1677320), (13300, 1633180), (14000, 1551521), (14060, 1544900), (14800, 1467655), (15449, 1406000), (16625, 1306544), (17575, 1235920), (17656, 1230250), (18500, 1174124), (19000, 1143226), (19684, 1103500), (20720, 1048325), (22070, 984200), (24605, 882800), (25900, 838660), (26600, 816590), (28120, 772450), (30898, 703000), (32375, 670928), (33250, 653272), (35150, 617960), (35312, 615125), (37000, 587062), (38000, 571613), (39368, 551750), (41933, 518000), (44140, 492100), (49210, 441400), (51800, 419330), (53200, 408295), (55175, 393680), (56240, 386225), (61796, 351500), (64750, 335464), (66500, 326636), (70300, 308980), (74000, 293531), (77245, 281200), (78736, 275875), (81659, 266000), (83866, 259000), (87875, 247184), (88280, 246050), (98420, 220700), (103600, 209665), (110350, 196840), (123025, 176560), (123592, 175750), (129500, 167732), (133000, 163318), (140600, 154490)]