21105000000

素因数分解:

$2^6\times 3^2\times 5^7\times 7^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 672

約数和(自身を含む): 87709150464

約数和(自身を除く): 66604150464

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, 67, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 134, 140, 144, 150, 160, 168, 175, 180, 192, 200, 201, 210, 224, 225, 240, 250, 252, 268, 280, 288, 300, 315, 320, 335, 336, 350, 360, 375, 400, 402, 420, 448, 450, 469, 480, 500, 504, 525, 536, 560, 576, 600, 603, 625, 630, 670, 672, 700, 720, 750, 800, 804, 840, 875, 900, 938, 960, 1000, 1005, 1008, 1050, 1072, 1120, 1125, 1200, 1206, 1250, 1260, 1340, 1344, 1400, 1407, 1440, 1500, 1575, 1600, 1608, 1675, 1680, 1750, 1800, 1875, 1876, 2000, 2010, 2016, 2100, 2144, 2240, 2250, 2345, 2400, 2412, 2500, 2520, 2625, 2680, 2800, 2814, 2880, 3000, 3015, 3125, 3150, 3216, 3350, 3360, 3500, 3600, 3750, 3752, 4000, 4020, 4032, 4200, 4221, 4288, 4375, 4500, 4690, 4800, 4824, 5000, 5025, 5040, 5250, 5360, 5600, 5625, 5628, 6000, 6030, 6250, 6300, 6432, 6700, 6720, 7000, 7035, 7200, 7500, 7504, 7875, 8000, 8040, 8375, 8400, 8442, 8750, 9000, 9375, 9380, 9648, 10000, 10050, 10080, 10500, 10720, 11200, 11250, 11256, 11725, 12000, 12060, 12500, 12600, 12864, 13125, 13400, 14000, 14070, 14400, 15000, 15008, 15075, 15625, 15750, 16080, 16750, 16800, 16884, 17500, 18000, 18750, 18760, 19296, 20000, 20100, 20160, 21000, 21105, 21440, 21875, 22500, 22512, 23450, 24000, 24120, 25000, 25125, 25200, 26250, 26800, 28000, 28125, 28140, 30000, 30016, 30150, 31250, 31500, 32160, 33500, 33600, 33768, 35000, 35175, 36000, 37500, 37520, 38592, 39375, 40000, 40200, 41875, 42000, 42210, 43750, 45000, 45024, 46875, 46900, 48240, 50000, 50250, 50400, 52500, 53600, 56000, 56250, 56280, 58625, 60000, 60300, 62500, 63000, 64320, 65625, 67000, 67536, 70000, 70350, 72000, 75000, 75040, 75375, 78125, 78750, 80400, 83750, 84000, 84420, 87500, 90000, 90048, 93750, 93800, 96480, 100000, 100500, 100800, 105000, 105525, 107200, 109375, 112500, 112560, 117250, 120000, 120600, 125000, 125625, 126000, 131250, 134000, 135072, 140000, 140625, 140700, 150000, 150080, 150750, 156250, 157500, 160800, 167500, 168000, 168840, 175000, 175875, 180000, 187500, 187600, 192960, 196875, 200000, 201000, 209375, 210000, 211050, 218750, 225000, 225120, 234375, 234500, 241200, 250000, 251250, 252000, 262500, 268000, 270144, 280000, 281250, 281400, 293125, 300000, 301500, 312500, 315000, 321600, 328125, 335000, 337680, 350000, 351750, 360000, 375000, 375200, 376875, 393750, 402000, 418750, 420000, 422100, 437500, 450000, 450240, 468750, 469000, 482400, 500000, 502500, 504000, 525000, 527625, 536000, 546875, 562500, 562800, 586250, 600000, 603000, 625000, 628125, 630000, 656250, 670000, 675360, 700000, 703125, 703500, 750000, 750400, 753750, 787500, 804000, 837500, 840000, 844200, 875000, 879375, 900000, 937500, 938000, 964800, 984375, 1000000, 1005000, 1046875, 1050000, 1055250, 1093750, 1125000, 1125600, 1172500, 1206000, 1250000, 1256250, 1260000, 1312500, 1340000, 1350720, 1400000, 1406250, 1407000, 1465625, 1500000, 1507500, 1575000, 1608000, 1640625, 1675000, 1688400, 1750000, 1758750, 1800000, 1875000, 1876000, 1884375, 1968750, 2010000, 2093750, 2100000, 2110500, 2187500, 2250000, 2251200, 2345000, 2412000, 2500000, 2512500, 2520000, 2625000, 2638125, 2680000, 2812500, 2814000, 2931250, 3000000, 3015000, 3140625, 3150000, 3281250, 3350000, 3376800, 3500000, 3517500, 3750000, 3752000, 3768750, 3937500, 4020000, 4187500, 4200000, 4221000, 4375000, 4396875, 4500000, 4690000, 4824000, 4921875, 5000000, 5025000, 5234375, 5250000, 5276250, 5625000, 5628000, 5862500, 6030000, 6281250, 6300000, 6562500, 6700000, 6753600, 7000000, 7035000, 7328125, 7500000, 7537500, 7875000, 8040000, 8375000, 8442000, 8750000, 8793750, 9000000, 9380000, 9421875, 9843750, 10050000, 10468750, 10500000, 10552500, 11250000, 11256000, 11725000, 12060000, 12562500, 12600000, 13125000, 13190625, 13400000, 14070000, 14656250, 15000000, 15075000, 15703125, 15750000, 16750000, 16884000, 17500000, 17587500, 18760000, 18843750, 19687500, 20100000, 20937500, 21000000, 21105000, 21984375, 22500000, 23450000, 24120000, 25125000, 26250000, 26381250, 28140000, 29312500, 30150000, 31406250, 31500000, 33500000, 33768000, 35000000, 35175000, 36640625, 37687500, 39375000, 40200000, 41875000, 42210000, 43968750, 45000000, 46900000, 47109375, 50250000, 52500000, 52762500, 56280000, 58625000, 60300000, 62812500, 63000000, 65953125, 67000000, 70350000, 73281250, 75375000, 78750000, 83750000, 84420000, 87937500, 93800000, 94218750, 100500000, 105000000, 105525000, 109921875, 117250000, 120600000, 125625000, 131906250, 140700000, 146562500, 150750000, 157500000, 167500000, 168840000, 175875000, 188437500, 201000000, 211050000, 219843750, 234500000, 251250000, 263812500, 281400000, 293125000, 301500000, 315000000, 329765625, 335000000, 351750000, 376875000, 422100000, 439687500, 469000000, 502500000, 527625000, 586250000, 603000000, 659531250, 703500000, 753750000, 844200000, 879375000, 1005000000, 1055250000, 1172500000, 1319062500, 1407000000, 1507500000, 1758750000, 2110500000, 2345000000, 2638125000, 3015000000, 3517500000, 4221000000, 5276250000, 7035000000, 10552500000, 21105000000]

約数ペア:

[(1, 21105000000), (2, 10552500000), (3, 7035000000), (4, 5276250000), (5, 4221000000), (6, 3517500000), (7, 3015000000), (8, 2638125000), (9, 2345000000), (10, 2110500000), (12, 1758750000), (14, 1507500000), (15, 1407000000), (16, 1319062500), (18, 1172500000), (20, 1055250000), (21, 1005000000), (24, 879375000), (25, 844200000), (28, 753750000), (30, 703500000), (32, 659531250), (35, 603000000), (36, 586250000), (40, 527625000), (42, 502500000), (45, 469000000), (48, 439687500), (50, 422100000), (56, 376875000), (60, 351750000), (63, 335000000), (64, 329765625), (67, 315000000), (70, 301500000), (72, 293125000), (75, 281400000), (80, 263812500), (84, 251250000), (90, 234500000), (96, 219843750), (100, 211050000), (105, 201000000), (112, 188437500), (120, 175875000), (125, 168840000), (126, 167500000), (134, 157500000), (140, 150750000), (144, 146562500), (150, 140700000), (160, 131906250), (168, 125625000), (175, 120600000), (180, 117250000), (192, 109921875), (200, 105525000), (201, 105000000), (210, 100500000), (224, 94218750), (225, 93800000), (240, 87937500), (250, 84420000), (252, 83750000), (268, 78750000), (280, 75375000), (288, 73281250), (300, 70350000), (315, 67000000), (320, 65953125), (335, 63000000), (336, 62812500), (350, 60300000), (360, 58625000), (375, 56280000), (400, 52762500), (402, 52500000), (420, 50250000), (448, 47109375), (450, 46900000), (469, 45000000), (480, 43968750), (500, 42210000), (504, 41875000), (525, 40200000), (536, 39375000), (560, 37687500), (576, 36640625), (600, 35175000), (603, 35000000), (625, 33768000), (630, 33500000), (670, 31500000), (672, 31406250), (700, 30150000), (720, 29312500), (750, 28140000), (800, 26381250), (804, 26250000), (840, 25125000), (875, 24120000), (900, 23450000), (938, 22500000), (960, 21984375), (1000, 21105000), (1005, 21000000), (1008, 20937500), (1050, 20100000), (1072, 19687500), (1120, 18843750), (1125, 18760000), (1200, 17587500), (1206, 17500000), (1250, 16884000), (1260, 16750000), (1340, 15750000), (1344, 15703125), (1400, 15075000), (1407, 15000000), (1440, 14656250), (1500, 14070000), (1575, 13400000), (1600, 13190625), (1608, 13125000), (1675, 12600000), (1680, 12562500), (1750, 12060000), (1800, 11725000), (1875, 11256000), (1876, 11250000), (2000, 10552500), (2010, 10500000), (2016, 10468750), (2100, 10050000), (2144, 9843750), (2240, 9421875), (2250, 9380000), (2345, 9000000), (2400, 8793750), (2412, 8750000), (2500, 8442000), (2520, 8375000), (2625, 8040000), (2680, 7875000), (2800, 7537500), (2814, 7500000), (2880, 7328125), (3000, 7035000), (3015, 7000000), (3125, 6753600), (3150, 6700000), (3216, 6562500), (3350, 6300000), (3360, 6281250), (3500, 6030000), (3600, 5862500), (3750, 5628000), (3752, 5625000), (4000, 5276250), (4020, 5250000), (4032, 5234375), (4200, 5025000), (4221, 5000000), (4288, 4921875), (4375, 4824000), (4500, 4690000), (4690, 4500000), (4800, 4396875), (4824, 4375000), (5000, 4221000), (5025, 4200000), (5040, 4187500), (5250, 4020000), (5360, 3937500), (5600, 3768750), (5625, 3752000), (5628, 3750000), (6000, 3517500), (6030, 3500000), (6250, 3376800), (6300, 3350000), (6432, 3281250), (6700, 3150000), (6720, 3140625), (7000, 3015000), (7035, 3000000), (7200, 2931250), (7500, 2814000), (7504, 2812500), (7875, 2680000), (8000, 2638125), (8040, 2625000), (8375, 2520000), (8400, 2512500), (8442, 2500000), (8750, 2412000), (9000, 2345000), (9375, 2251200), (9380, 2250000), (9648, 2187500), (10000, 2110500), (10050, 2100000), (10080, 2093750), (10500, 2010000), (10720, 1968750), (11200, 1884375), (11250, 1876000), (11256, 1875000), (11725, 1800000), (12000, 1758750), (12060, 1750000), (12500, 1688400), (12600, 1675000), (12864, 1640625), (13125, 1608000), (13400, 1575000), (14000, 1507500), (14070, 1500000), (14400, 1465625), (15000, 1407000), (15008, 1406250), (15075, 1400000), (15625, 1350720), (15750, 1340000), (16080, 1312500), (16750, 1260000), (16800, 1256250), (16884, 1250000), (17500, 1206000), (18000, 1172500), (18750, 1125600), (18760, 1125000), (19296, 1093750), (20000, 1055250), (20100, 1050000), (20160, 1046875), (21000, 1005000), (21105, 1000000), (21440, 984375), (21875, 964800), (22500, 938000), (22512, 937500), (23450, 900000), (24000, 879375), (24120, 875000), (25000, 844200), (25125, 840000), (25200, 837500), (26250, 804000), (26800, 787500), (28000, 753750), (28125, 750400), (28140, 750000), (30000, 703500), (30016, 703125), (30150, 700000), (31250, 675360), (31500, 670000), (32160, 656250), (33500, 630000), (33600, 628125), (33768, 625000), (35000, 603000), (35175, 600000), (36000, 586250), (37500, 562800), (37520, 562500), (38592, 546875), (39375, 536000), (40000, 527625), (40200, 525000), (41875, 504000), (42000, 502500), (42210, 500000), (43750, 482400), (45000, 469000), (45024, 468750), (46875, 450240), (46900, 450000), (48240, 437500), (50000, 422100), (50250, 420000), (50400, 418750), (52500, 402000), (53600, 393750), (56000, 376875), (56250, 375200), (56280, 375000), (58625, 360000), (60000, 351750), (60300, 350000), (62500, 337680), (63000, 335000), (64320, 328125), (65625, 321600), (67000, 315000), (67536, 312500), (70000, 301500), (70350, 300000), (72000, 293125), (75000, 281400), (75040, 281250), (75375, 280000), (78125, 270144), (78750, 268000), (80400, 262500), (83750, 252000), (84000, 251250), (84420, 250000), (87500, 241200), (90000, 234500), (90048, 234375), (93750, 225120), (93800, 225000), (96480, 218750), (100000, 211050), (100500, 210000), (100800, 209375), (105000, 201000), (105525, 200000), (107200, 196875), (109375, 192960), (112500, 187600), (112560, 187500), (117250, 180000), (120000, 175875), (120600, 175000), (125000, 168840), (125625, 168000), (126000, 167500), (131250, 160800), (134000, 157500), (135072, 156250), (140000, 150750), (140625, 150080), (140700, 150000)]