21457219560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:701

約数の個数: 384

約数和(自身を含む): 76826880000

約数和(自身を除く): 55369660440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 103, 105, 120, 140, 142, 147, 168, 196, 206, 210, 213, 245, 280, 284, 294, 309, 355, 392, 412, 420, 426, 490, 497, 499, 515, 568, 588, 618, 710, 721, 735, 824, 840, 852, 980, 994, 998, 1030, 1065, 1176, 1236, 1420, 1442, 1470, 1491, 1497, 1545, 1704, 1960, 1988, 1996, 2060, 2130, 2163, 2472, 2485, 2495, 2840, 2884, 2940, 2982, 2994, 3090, 3479, 3493, 3605, 3976, 3992, 4120, 4260, 4326, 4970, 4990, 5047, 5768, 5880, 5964, 5988, 6180, 6958, 6986, 7210, 7313, 7455, 7485, 8520, 8652, 9940, 9980, 10094, 10437, 10479, 10815, 11928, 11976, 12360, 13916, 13972, 14420, 14626, 14910, 14970, 15141, 17304, 17395, 17465, 19880, 19960, 20188, 20874, 20958, 21630, 21939, 24451, 25235, 27832, 27944, 28840, 29252, 29820, 29940, 30282, 34790, 34930, 35429, 36565, 40376, 41748, 41916, 43260, 43878, 48902, 50470, 51191, 51397, 52185, 52395, 58504, 59640, 59880, 60564, 69580, 69860, 70858, 73130, 73353, 75705, 83496, 83832, 86520, 87756, 97804, 100940, 102382, 102794, 104370, 104790, 106287, 109695, 121128, 122255, 139160, 139720, 141716, 146260, 146706, 151410, 153573, 154191, 175512, 177145, 195608, 201880, 204764, 205588, 208740, 209580, 212574, 219390, 244510, 248003, 255955, 256985, 283432, 292520, 293412, 302820, 307146, 308382, 354290, 358337, 359779, 366765, 409528, 411176, 417480, 419160, 425148, 438780, 489020, 496006, 511910, 513970, 531435, 586824, 605640, 614292, 616764, 708580, 716674, 719558, 733530, 744009, 767865, 770955, 850296, 877560, 978040, 992012, 1023820, 1027940, 1062870, 1075011, 1079337, 1228584, 1233528, 1240015, 1417160, 1433348, 1439116, 1467060, 1488018, 1535730, 1541910, 1736021, 1791685, 1798895, 1984024, 2047640, 2055880, 2125740, 2150022, 2158674, 2480030, 2518453, 2866696, 2878232, 2934120, 2976036, 3071460, 3083820, 3472042, 3583370, 3597790, 3649187, 3720045, 4251480, 4300044, 4317348, 4960060, 5036906, 5208063, 5375055, 5396685, 5952072, 6142920, 6167640, 6944084, 7166740, 7195580, 7298374, 7440090, 7555359, 8600088, 8634696, 8680105, 9920120, 10073812, 10416126, 10750110, 10793370, 10947561, 12592265, 13888168, 14333480, 14391160, 14596748, 14880180, 15110718, 17360210, 18245935, 20147624, 20832252, 21500220, 21586740, 21895122, 25184530, 25544309, 26040315, 29193496, 29760360, 30221436, 34720420, 36491870, 37776795, 41664504, 43000440, 43173480, 43790244, 50369060, 51088618, 52080630, 54737805, 60442872, 69440840, 72983740, 75553590, 76632927, 87580488, 100738120, 102177236, 104161260, 109475610, 127721545, 145967480, 151107180, 153265854, 178810163, 204354472, 208322520, 218951220, 255443090, 302214360, 306531708, 357620326, 383164635, 437902440, 510886180, 536430489, 613063416, 715240652, 766329270, 894050815, 1021772360, 1072860978, 1430481304, 1532658540, 1788101630, 2145721956, 2682152445, 3065317080, 3576203260, 4291443912, 5364304890, 7152406520, 10728609780, 21457219560]

約数ペア:

[(1, 21457219560), (2, 10728609780), (3, 7152406520), (4, 5364304890), (5, 4291443912), (6, 3576203260), (7, 3065317080), (8, 2682152445), (10, 2145721956), (12, 1788101630), (14, 1532658540), (15, 1430481304), (20, 1072860978), (21, 1021772360), (24, 894050815), (28, 766329270), (30, 715240652), (35, 613063416), (40, 536430489), (42, 510886180), (49, 437902440), (56, 383164635), (60, 357620326), (70, 306531708), (71, 302214360), (84, 255443090), (98, 218951220), (103, 208322520), (105, 204354472), (120, 178810163), (140, 153265854), (142, 151107180), (147, 145967480), (168, 127721545), (196, 109475610), (206, 104161260), (210, 102177236), (213, 100738120), (245, 87580488), (280, 76632927), (284, 75553590), (294, 72983740), (309, 69440840), (355, 60442872), (392, 54737805), (412, 52080630), (420, 51088618), (426, 50369060), (490, 43790244), (497, 43173480), (499, 43000440), (515, 41664504), (568, 37776795), (588, 36491870), (618, 34720420), (710, 30221436), (721, 29760360), (735, 29193496), (824, 26040315), (840, 25544309), (852, 25184530), (980, 21895122), (994, 21586740), (998, 21500220), (1030, 20832252), (1065, 20147624), (1176, 18245935), (1236, 17360210), (1420, 15110718), (1442, 14880180), (1470, 14596748), (1491, 14391160), (1497, 14333480), (1545, 13888168), (1704, 12592265), (1960, 10947561), (1988, 10793370), (1996, 10750110), (2060, 10416126), (2130, 10073812), (2163, 9920120), (2472, 8680105), (2485, 8634696), (2495, 8600088), (2840, 7555359), (2884, 7440090), (2940, 7298374), (2982, 7195580), (2994, 7166740), (3090, 6944084), (3479, 6167640), (3493, 6142920), (3605, 5952072), (3976, 5396685), (3992, 5375055), (4120, 5208063), (4260, 5036906), (4326, 4960060), (4970, 4317348), (4990, 4300044), (5047, 4251480), (5768, 3720045), (5880, 3649187), (5964, 3597790), (5988, 3583370), (6180, 3472042), (6958, 3083820), (6986, 3071460), (7210, 2976036), (7313, 2934120), (7455, 2878232), (7485, 2866696), (8520, 2518453), (8652, 2480030), (9940, 2158674), (9980, 2150022), (10094, 2125740), (10437, 2055880), (10479, 2047640), (10815, 1984024), (11928, 1798895), (11976, 1791685), (12360, 1736021), (13916, 1541910), (13972, 1535730), (14420, 1488018), (14626, 1467060), (14910, 1439116), (14970, 1433348), (15141, 1417160), (17304, 1240015), (17395, 1233528), (17465, 1228584), (19880, 1079337), (19960, 1075011), (20188, 1062870), (20874, 1027940), (20958, 1023820), (21630, 992012), (21939, 978040), (24451, 877560), (25235, 850296), (27832, 770955), (27944, 767865), (28840, 744009), (29252, 733530), (29820, 719558), (29940, 716674), (30282, 708580), (34790, 616764), (34930, 614292), (35429, 605640), (36565, 586824), (40376, 531435), (41748, 513970), (41916, 511910), (43260, 496006), (43878, 489020), (48902, 438780), (50470, 425148), (51191, 419160), (51397, 417480), (52185, 411176), (52395, 409528), (58504, 366765), (59640, 359779), (59880, 358337), (60564, 354290), (69580, 308382), (69860, 307146), (70858, 302820), (73130, 293412), (73353, 292520), (75705, 283432), (83496, 256985), (83832, 255955), (86520, 248003), (87756, 244510), (97804, 219390), (100940, 212574), (102382, 209580), (102794, 208740), (104370, 205588), (104790, 204764), (106287, 201880), (109695, 195608), (121128, 177145), (122255, 175512), (139160, 154191), (139720, 153573), (141716, 151410), (146260, 146706)]