21072490488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:979

約数の個数: 288

約数和(自身を含む): 69730752000

約数和(自身を除く): 48658261512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 199, 204, 238, 252, 289, 306, 357, 398, 408, 476, 504, 578, 597, 612, 714, 727, 796, 867, 952, 1071, 1156, 1194, 1224, 1393, 1428, 1454, 1592, 1734, 1791, 2023, 2142, 2181, 2312, 2388, 2601, 2786, 2856, 2908, 3383, 3468, 3582, 4046, 4179, 4284, 4362, 4776, 5089, 5202, 5572, 5816, 6069, 6543, 6766, 6936, 7164, 8092, 8358, 8568, 8724, 10149, 10178, 10404, 11144, 12138, 12359, 12537, 13086, 13532, 14328, 15267, 16184, 16716, 17448, 18207, 20298, 20356, 20808, 23681, 24276, 24718, 25074, 26172, 27064, 30447, 30534, 33432, 36414, 37077, 40596, 40712, 45801, 47362, 48552, 49436, 50148, 52344, 57511, 60894, 61068, 71043, 72828, 74154, 81192, 86513, 91602, 94724, 98872, 100296, 111231, 115022, 121788, 122136, 142086, 144673, 145656, 148308, 172533, 173026, 183204, 189448, 210103, 213129, 222462, 230044, 243576, 259539, 284172, 289346, 296616, 345066, 346052, 366408, 402577, 420206, 426258, 434019, 444924, 460088, 517599, 519078, 568344, 578692, 630309, 690132, 692104, 778617, 805154, 840412, 852516, 868038, 889848, 1012711, 1035198, 1038156, 1157384, 1207731, 1260618, 1302057, 1380264, 1470721, 1557234, 1610308, 1680824, 1705032, 1736076, 1890927, 2025422, 2070396, 2076312, 2415462, 2459441, 2521236, 2604114, 2941442, 3038133, 3114468, 3220616, 3472152, 3623193, 3781854, 4050844, 4140792, 4412163, 4830924, 4918882, 5042472, 5208228, 5882884, 6076266, 6228936, 7246386, 7378323, 7563708, 8101688, 8824326, 9114399, 9661848, 9837764, 10416456, 11765768, 12152532, 13236489, 14492772, 14756646, 15127416, 17216087, 17648652, 18228798, 19675528, 22134969, 24305064, 26472978, 28985544, 29513292, 34432174, 35297304, 36457596, 41810497, 44269938, 51648261, 52945956, 59026584, 68864348, 72915192, 83620994, 88539876, 103296522, 105891912, 125431491, 137728696, 154944783, 167241988, 177079752, 206593044, 250862982, 292673479, 309889566, 334483976, 376294473, 413186088, 501725964, 585346958, 619779132, 752588946, 878020437, 1003451928, 1170693916, 1239558264, 1505177892, 1756040874, 2341387832, 2634061311, 3010355784, 3512081748, 5268122622, 7024163496, 10536245244, 21072490488]

約数ペア:

[(1, 21072490488), (2, 10536245244), (3, 7024163496), (4, 5268122622), (6, 3512081748), (7, 3010355784), (8, 2634061311), (9, 2341387832), (12, 1756040874), (14, 1505177892), (17, 1239558264), (18, 1170693916), (21, 1003451928), (24, 878020437), (28, 752588946), (34, 619779132), (36, 585346958), (42, 501725964), (51, 413186088), (56, 376294473), (63, 334483976), (68, 309889566), (72, 292673479), (84, 250862982), (102, 206593044), (119, 177079752), (126, 167241988), (136, 154944783), (153, 137728696), (168, 125431491), (199, 105891912), (204, 103296522), (238, 88539876), (252, 83620994), (289, 72915192), (306, 68864348), (357, 59026584), (398, 52945956), (408, 51648261), (476, 44269938), (504, 41810497), (578, 36457596), (597, 35297304), (612, 34432174), (714, 29513292), (727, 28985544), (796, 26472978), (867, 24305064), (952, 22134969), (1071, 19675528), (1156, 18228798), (1194, 17648652), (1224, 17216087), (1393, 15127416), (1428, 14756646), (1454, 14492772), (1592, 13236489), (1734, 12152532), (1791, 11765768), (2023, 10416456), (2142, 9837764), (2181, 9661848), (2312, 9114399), (2388, 8824326), (2601, 8101688), (2786, 7563708), (2856, 7378323), (2908, 7246386), (3383, 6228936), (3468, 6076266), (3582, 5882884), (4046, 5208228), (4179, 5042472), (4284, 4918882), (4362, 4830924), (4776, 4412163), (5089, 4140792), (5202, 4050844), (5572, 3781854), (5816, 3623193), (6069, 3472152), (6543, 3220616), (6766, 3114468), (6936, 3038133), (7164, 2941442), (8092, 2604114), (8358, 2521236), (8568, 2459441), (8724, 2415462), (10149, 2076312), (10178, 2070396), (10404, 2025422), (11144, 1890927), (12138, 1736076), (12359, 1705032), (12537, 1680824), (13086, 1610308), (13532, 1557234), (14328, 1470721), (15267, 1380264), (16184, 1302057), (16716, 1260618), (17448, 1207731), (18207, 1157384), (20298, 1038156), (20356, 1035198), (20808, 1012711), (23681, 889848), (24276, 868038), (24718, 852516), (25074, 840412), (26172, 805154), (27064, 778617), (30447, 692104), (30534, 690132), (33432, 630309), (36414, 578692), (37077, 568344), (40596, 519078), (40712, 517599), (45801, 460088), (47362, 444924), (48552, 434019), (49436, 426258), (50148, 420206), (52344, 402577), (57511, 366408), (60894, 346052), (61068, 345066), (71043, 296616), (72828, 289346), (74154, 284172), (81192, 259539), (86513, 243576), (91602, 230044), (94724, 222462), (98872, 213129), (100296, 210103), (111231, 189448), (115022, 183204), (121788, 173026), (122136, 172533), (142086, 148308), (144673, 145656)]