21000836304

素因数分解:

$2^4\times 3^4\times 7^4\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 500

約数和(自身を含む): 75268931364

約数和(自身を除く): 54268095060

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 49, 51, 54, 56, 63, 68, 72, 81, 84, 98, 102, 108, 112, 119, 126, 136, 144, 147, 153, 162, 168, 189, 196, 204, 216, 238, 252, 272, 294, 306, 324, 336, 343, 357, 378, 392, 397, 408, 432, 441, 459, 476, 504, 567, 588, 612, 648, 686, 714, 756, 784, 794, 816, 833, 882, 918, 952, 1008, 1029, 1071, 1134, 1176, 1191, 1224, 1296, 1323, 1372, 1377, 1428, 1512, 1588, 1666, 1764, 1836, 1904, 2058, 2142, 2268, 2352, 2382, 2401, 2448, 2499, 2646, 2744, 2754, 2779, 2856, 3024, 3087, 3176, 3213, 3332, 3528, 3573, 3672, 3969, 4116, 4284, 4536, 4764, 4802, 4998, 5292, 5488, 5508, 5558, 5712, 5831, 6174, 6352, 6426, 6664, 6749, 7056, 7146, 7203, 7344, 7497, 7938, 8232, 8337, 8568, 9072, 9261, 9528, 9604, 9639, 9996, 10584, 10719, 11016, 11116, 11662, 12348, 12852, 13328, 13498, 14292, 14406, 14994, 15876, 16464, 16674, 17136, 17493, 18522, 19056, 19208, 19278, 19453, 19992, 20247, 21168, 21438, 21609, 22032, 22232, 22491, 23324, 24696, 25011, 25704, 26996, 27783, 28584, 28812, 29988, 31752, 32157, 33348, 34986, 37044, 38416, 38556, 38906, 39984, 40494, 40817, 42876, 43218, 44464, 44982, 46648, 47243, 49392, 50022, 51408, 52479, 53992, 55566, 57168, 57624, 58359, 59976, 60741, 63504, 64314, 64827, 66696, 67473, 69972, 74088, 75033, 77112, 77812, 80988, 81634, 85752, 86436, 89964, 93296, 94486, 100044, 104958, 107984, 111132, 115248, 116718, 119952, 121482, 122451, 128628, 129654, 133392, 134946, 136171, 139944, 141729, 148176, 150066, 154224, 155624, 157437, 161976, 163268, 171504, 172872, 175077, 179928, 182223, 188972, 194481, 200088, 209916, 222264, 225099, 233436, 242964, 244902, 257256, 259308, 269892, 272342, 279888, 283458, 300132, 311248, 314874, 323952, 326536, 330701, 345744, 350154, 359856, 364446, 367353, 377944, 388962, 400176, 408513, 419832, 425187, 444528, 450198, 466872, 472311, 485928, 489804, 514512, 518616, 525231, 539784, 544684, 546669, 566916, 600264, 629748, 653072, 661402, 700308, 728892, 734706, 755888, 777924, 817026, 839664, 850374, 900396, 933744, 944622, 953197, 971856, 979608, 992103, 1037232, 1050462, 1079568, 1089368, 1093338, 1102059, 1133832, 1200528, 1225539, 1259496, 1275561, 1322804, 1400616, 1457784, 1469412, 1555848, 1575693, 1634052, 1700748, 1800792, 1889244, 1906394, 1959216, 1984206, 2100924, 2178736, 2186676, 2204118, 2267664, 2314907, 2451078, 2518992, 2551122, 2645608, 2801232, 2859591, 2915568, 2938824, 2976309, 3111696, 3151386, 3268104, 3306177, 3401496, 3601584, 3676617, 3778488, 3812788, 3826683, 3968412, 4201848, 4373352, 4408236, 4629814, 4902156, 5102244, 5291216, 5719182, 5877648, 5952618, 6302772, 6536208, 6612354, 6802992, 6944721, 7353234, 7556976, 7625576, 7653366, 7936824, 8403696, 8578773, 8746704, 8816472, 8928927, 9259628, 9804312, 10204488, 11029851, 11438364, 11905236, 12605544, 13224708, 13889442, 14706468, 15251152, 15306732, 15873648, 16204349, 17157546, 17632944, 17857854, 18519256, 19608624, 20408976, 20834163, 22059702, 22876728, 23810472, 25211088, 25736319, 26449416, 26786781, 27778884, 29412936, 30613464, 32408698, 34315092, 35715708, 37038512, 41668326, 44119404, 45753456, 47620944, 48613047, 51472638, 52898832, 53573562, 55557768, 58825872, 61226928, 62502489, 64817396, 68630184, 71431416, 77208957, 83336652, 88238808, 97226094, 102945276, 107147124, 111115536, 125004978, 129634792, 137260368, 142862832, 145839141, 154417914, 166673304, 176477616, 187507467, 194452188, 205890552, 214294248, 250009956, 259269584, 291678282, 308835828, 333346608, 375014934, 388904376, 411781104, 428588496, 437517423, 500019912, 583356564, 617671656, 750029868, 777808752, 875034846, 1000039824, 1166713128, 1235343312, 1312552269, 1500059736, 1750069692, 2333426256, 2625104538, 3000119472, 3500139384, 5250209076, 7000278768, 10500418152, 21000836304]

約数ペア:

[(1, 21000836304), (2, 10500418152), (3, 7000278768), (4, 5250209076), (6, 3500139384), (7, 3000119472), (8, 2625104538), (9, 2333426256), (12, 1750069692), (14, 1500059736), (16, 1312552269), (17, 1235343312), (18, 1166713128), (21, 1000039824), (24, 875034846), (27, 777808752), (28, 750029868), (34, 617671656), (36, 583356564), (42, 500019912), (48, 437517423), (49, 428588496), (51, 411781104), (54, 388904376), (56, 375014934), (63, 333346608), (68, 308835828), (72, 291678282), (81, 259269584), (84, 250009956), (98, 214294248), (102, 205890552), (108, 194452188), (112, 187507467), (119, 176477616), (126, 166673304), (136, 154417914), (144, 145839141), (147, 142862832), (153, 137260368), (162, 129634792), (168, 125004978), (189, 111115536), (196, 107147124), (204, 102945276), (216, 97226094), (238, 88238808), (252, 83336652), (272, 77208957), (294, 71431416), (306, 68630184), (324, 64817396), (336, 62502489), (343, 61226928), (357, 58825872), (378, 55557768), (392, 53573562), (397, 52898832), (408, 51472638), (432, 48613047), (441, 47620944), (459, 45753456), (476, 44119404), (504, 41668326), (567, 37038512), (588, 35715708), (612, 34315092), (648, 32408698), (686, 30613464), (714, 29412936), (756, 27778884), (784, 26786781), (794, 26449416), (816, 25736319), (833, 25211088), (882, 23810472), (918, 22876728), (952, 22059702), (1008, 20834163), (1029, 20408976), (1071, 19608624), (1134, 18519256), (1176, 17857854), (1191, 17632944), (1224, 17157546), (1296, 16204349), (1323, 15873648), (1372, 15306732), (1377, 15251152), (1428, 14706468), (1512, 13889442), (1588, 13224708), (1666, 12605544), (1764, 11905236), (1836, 11438364), (1904, 11029851), (2058, 10204488), (2142, 9804312), (2268, 9259628), (2352, 8928927), (2382, 8816472), (2401, 8746704), (2448, 8578773), (2499, 8403696), (2646, 7936824), (2744, 7653366), (2754, 7625576), (2779, 7556976), (2856, 7353234), (3024, 6944721), (3087, 6802992), (3176, 6612354), (3213, 6536208), (3332, 6302772), (3528, 5952618), (3573, 5877648), (3672, 5719182), (3969, 5291216), (4116, 5102244), (4284, 4902156), (4536, 4629814), (4764, 4408236), (4802, 4373352), (4998, 4201848), (5292, 3968412), (5488, 3826683), (5508, 3812788), (5558, 3778488), (5712, 3676617), (5831, 3601584), (6174, 3401496), (6352, 3306177), (6426, 3268104), (6664, 3151386), (6749, 3111696), (7056, 2976309), (7146, 2938824), (7203, 2915568), (7344, 2859591), (7497, 2801232), (7938, 2645608), (8232, 2551122), (8337, 2518992), (8568, 2451078), (9072, 2314907), (9261, 2267664), (9528, 2204118), (9604, 2186676), (9639, 2178736), (9996, 2100924), (10584, 1984206), (10719, 1959216), (11016, 1906394), (11116, 1889244), (11662, 1800792), (12348, 1700748), (12852, 1634052), (13328, 1575693), (13498, 1555848), (14292, 1469412), (14406, 1457784), (14994, 1400616), (15876, 1322804), (16464, 1275561), (16674, 1259496), (17136, 1225539), (17493, 1200528), (18522, 1133832), (19056, 1102059), (19208, 1093338), (19278, 1089368), (19453, 1079568), (19992, 1050462), (20247, 1037232), (21168, 992103), (21438, 979608), (21609, 971856), (22032, 953197), (22232, 944622), (22491, 933744), (23324, 900396), (24696, 850374), (25011, 839664), (25704, 817026), (26996, 777924), (27783, 755888), (28584, 734706), (28812, 728892), (29988, 700308), (31752, 661402), (32157, 653072), (33348, 629748), (34986, 600264), (37044, 566916), (38416, 546669), (38556, 544684), (38906, 539784), (39984, 525231), (40494, 518616), (40817, 514512), (42876, 489804), (43218, 485928), (44464, 472311), (44982, 466872), (46648, 450198), (47243, 444528), (49392, 425187), (50022, 419832), (51408, 408513), (52479, 400176), (53992, 388962), (55566, 377944), (57168, 367353), (57624, 364446), (58359, 359856), (59976, 350154), (60741, 345744), (63504, 330701), (64314, 326536), (64827, 323952), (66696, 314874), (67473, 311248), (69972, 300132), (74088, 283458), (75033, 279888), (77112, 272342), (77812, 269892), (80988, 259308), (81634, 257256), (85752, 244902), (86436, 242964), (89964, 233436), (93296, 225099), (94486, 222264), (100044, 209916), (104958, 200088), (107984, 194481), (111132, 188972), (115248, 182223), (116718, 179928), (119952, 175077), (121482, 172872), (122451, 171504), (128628, 163268), (129654, 161976), (133392, 157437), (134946, 155624), (136171, 154224), (139944, 150066), (141729, 148176)]