21257642016

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 432

約数和(自身を含む): 69830691840

約数和(自身を除く): 48573049824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 127, 144, 152, 156, 169, 171, 181, 208, 228, 234, 247, 254, 288, 304, 312, 338, 342, 362, 381, 416, 456, 468, 494, 507, 508, 543, 608, 624, 676, 684, 724, 741, 762, 912, 936, 988, 1014, 1016, 1086, 1143, 1248, 1352, 1368, 1448, 1482, 1521, 1524, 1629, 1651, 1824, 1872, 1976, 2028, 2032, 2172, 2223, 2286, 2353, 2413, 2704, 2736, 2896, 2964, 3042, 3048, 3211, 3258, 3302, 3439, 3744, 3952, 4056, 4064, 4344, 4446, 4572, 4706, 4826, 4953, 5408, 5472, 5792, 5928, 6084, 6096, 6422, 6516, 6604, 6878, 7059, 7239, 7904, 8112, 8688, 8892, 9144, 9412, 9633, 9652, 9906, 10317, 11856, 12168, 12192, 12844, 13032, 13208, 13756, 14118, 14478, 14859, 16224, 17376, 17784, 18288, 18824, 19266, 19304, 19812, 20634, 21177, 21463, 21717, 22987, 23712, 24336, 25688, 26064, 26416, 27512, 28236, 28899, 28956, 29718, 30589, 30951, 31369, 35568, 36576, 37648, 38532, 38608, 39624, 41268, 42354, 42926, 43434, 44707, 45974, 48672, 51376, 52128, 52832, 55024, 56472, 57798, 57912, 59436, 61178, 61902, 62738, 64389, 68961, 71136, 75296, 77064, 77216, 79248, 82536, 84708, 85852, 86868, 89414, 91767, 91948, 94107, 102752, 110048, 112944, 115596, 115824, 118872, 122356, 123804, 125476, 128778, 134121, 137922, 154128, 158496, 165072, 169416, 171704, 173736, 178828, 183534, 183896, 188214, 193167, 206883, 225888, 231192, 231648, 237744, 244712, 247608, 250952, 257556, 268242, 275301, 275844, 282321, 298831, 308256, 330144, 338832, 343408, 347472, 357656, 367068, 367792, 376428, 386334, 402363, 407797, 413766, 436753, 462384, 475488, 489424, 495216, 501904, 515112, 536484, 550602, 551688, 564642, 581191, 597662, 677664, 686816, 694944, 715312, 734136, 735584, 752856, 772668, 804726, 815594, 827532, 873506, 896493, 924768, 978848, 990432, 1003808, 1030224, 1072968, 1101204, 1103376, 1129284, 1162382, 1195324, 1223391, 1310259, 1430624, 1468272, 1505712, 1545336, 1609452, 1631188, 1655064, 1743573, 1747012, 1792986, 2060448, 2145936, 2202408, 2206752, 2258568, 2324764, 2390648, 2446782, 2620518, 2689479, 2936544, 3011424, 3090672, 3218904, 3262376, 3310128, 3487146, 3494024, 3585972, 3670173, 3884803, 3930777, 4291872, 4404816, 4517136, 4649528, 4781296, 4893564, 5230719, 5241036, 5378958, 5677789, 6181344, 6437808, 6524752, 6620256, 6974292, 6988048, 7171944, 7340346, 7769606, 7861554, 8809632, 9034272, 9299056, 9562592, 9787128, 10461438, 10482072, 10757916, 11355578, 11654409, 12875616, 13049504, 13948584, 13976096, 14343888, 14680692, 15539212, 15723108, 17033367, 18598112, 19574256, 20922876, 20964144, 21515832, 22711156, 23308818, 27897168, 28687776, 29361384, 31078424, 31446216, 34066734, 34963227, 39148512, 41845752, 41928288, 43031664, 45422312, 46617636, 51100101, 55794336, 58722768, 62156848, 62892432, 68133468, 69926454, 73811257, 83691504, 86063328, 90844624, 93235272, 102200202, 117445536, 124313696, 125784864, 136266936, 139852908, 147622514, 167383008, 181689248, 186470544, 204400404, 221433771, 272533872, 279705816, 295245028, 372941088, 408800808, 442867542, 545067744, 559411632, 590490056, 664301313, 817601616, 885735084, 1118823264, 1180980112, 1328602626, 1635203232, 1771470168, 2361960224, 2657205252, 3542940336, 5314410504, 7085880672, 10628821008, 21257642016]

約数ペア:

[(1, 21257642016), (2, 10628821008), (3, 7085880672), (4, 5314410504), (6, 3542940336), (8, 2657205252), (9, 2361960224), (12, 1771470168), (13, 1635203232), (16, 1328602626), (18, 1180980112), (19, 1118823264), (24, 885735084), (26, 817601616), (32, 664301313), (36, 590490056), (38, 559411632), (39, 545067744), (48, 442867542), (52, 408800808), (57, 372941088), (72, 295245028), (76, 279705816), (78, 272533872), (96, 221433771), (104, 204400404), (114, 186470544), (117, 181689248), (127, 167383008), (144, 147622514), (152, 139852908), (156, 136266936), (169, 125784864), (171, 124313696), (181, 117445536), (208, 102200202), (228, 93235272), (234, 90844624), (247, 86063328), (254, 83691504), (288, 73811257), (304, 69926454), (312, 68133468), (338, 62892432), (342, 62156848), (362, 58722768), (381, 55794336), (416, 51100101), (456, 46617636), (468, 45422312), (494, 43031664), (507, 41928288), (508, 41845752), (543, 39148512), (608, 34963227), (624, 34066734), (676, 31446216), (684, 31078424), (724, 29361384), (741, 28687776), (762, 27897168), (912, 23308818), (936, 22711156), (988, 21515832), (1014, 20964144), (1016, 20922876), (1086, 19574256), (1143, 18598112), (1248, 17033367), (1352, 15723108), (1368, 15539212), (1448, 14680692), (1482, 14343888), (1521, 13976096), (1524, 13948584), (1629, 13049504), (1651, 12875616), (1824, 11654409), (1872, 11355578), (1976, 10757916), (2028, 10482072), (2032, 10461438), (2172, 9787128), (2223, 9562592), (2286, 9299056), (2353, 9034272), (2413, 8809632), (2704, 7861554), (2736, 7769606), (2896, 7340346), (2964, 7171944), (3042, 6988048), (3048, 6974292), (3211, 6620256), (3258, 6524752), (3302, 6437808), (3439, 6181344), (3744, 5677789), (3952, 5378958), (4056, 5241036), (4064, 5230719), (4344, 4893564), (4446, 4781296), (4572, 4649528), (4706, 4517136), (4826, 4404816), (4953, 4291872), (5408, 3930777), (5472, 3884803), (5792, 3670173), (5928, 3585972), (6084, 3494024), (6096, 3487146), (6422, 3310128), (6516, 3262376), (6604, 3218904), (6878, 3090672), (7059, 3011424), (7239, 2936544), (7904, 2689479), (8112, 2620518), (8688, 2446782), (8892, 2390648), (9144, 2324764), (9412, 2258568), (9633, 2206752), (9652, 2202408), (9906, 2145936), (10317, 2060448), (11856, 1792986), (12168, 1747012), (12192, 1743573), (12844, 1655064), (13032, 1631188), (13208, 1609452), (13756, 1545336), (14118, 1505712), (14478, 1468272), (14859, 1430624), (16224, 1310259), (17376, 1223391), (17784, 1195324), (18288, 1162382), (18824, 1129284), (19266, 1103376), (19304, 1101204), (19812, 1072968), (20634, 1030224), (21177, 1003808), (21463, 990432), (21717, 978848), (22987, 924768), (23712, 896493), (24336, 873506), (25688, 827532), (26064, 815594), (26416, 804726), (27512, 772668), (28236, 752856), (28899, 735584), (28956, 734136), (29718, 715312), (30589, 694944), (30951, 686816), (31369, 677664), (35568, 597662), (36576, 581191), (37648, 564642), (38532, 551688), (38608, 550602), (39624, 536484), (41268, 515112), (42354, 501904), (42926, 495216), (43434, 489424), (44707, 475488), (45974, 462384), (48672, 436753), (51376, 413766), (52128, 407797), (52832, 402363), (55024, 386334), (56472, 376428), (57798, 367792), (57912, 367068), (59436, 357656), (61178, 347472), (61902, 343408), (62738, 338832), (64389, 330144), (68961, 308256), (71136, 298831), (75296, 282321), (77064, 275844), (77216, 275301), (79248, 268242), (82536, 257556), (84708, 250952), (85852, 247608), (86868, 244712), (89414, 237744), (91767, 231648), (91948, 231192), (94107, 225888), (102752, 206883), (110048, 193167), (112944, 188214), (115596, 183896), (115824, 183534), (118872, 178828), (122356, 173736), (123804, 171704), (125476, 169416), (128778, 165072), (134121, 158496), (137922, 154128)]