21157072128

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 432

約数和(自身を含む): 67596715200

約数和(自身を除く): 46439643072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 61, 64, 72, 76, 96, 108, 114, 122, 128, 139, 144, 152, 171, 183, 192, 216, 228, 244, 256, 278, 288, 304, 342, 361, 366, 384, 417, 432, 456, 488, 513, 549, 556, 576, 608, 684, 722, 732, 768, 834, 864, 912, 976, 1026, 1083, 1098, 1112, 1152, 1159, 1216, 1251, 1368, 1444, 1464, 1647, 1668, 1728, 1824, 1952, 2052, 2166, 2196, 2224, 2304, 2318, 2432, 2502, 2641, 2736, 2888, 2928, 3249, 3294, 3336, 3456, 3477, 3648, 3753, 3904, 4104, 4332, 4392, 4448, 4636, 4864, 5004, 5282, 5472, 5776, 5856, 6498, 6588, 6672, 6912, 6954, 7296, 7506, 7808, 7923, 8208, 8479, 8664, 8784, 8896, 9272, 9747, 10008, 10431, 10564, 10944, 11552, 11712, 12996, 13176, 13344, 13908, 14592, 15012, 15616, 15846, 16416, 16958, 17328, 17568, 17792, 18544, 19494, 20016, 20862, 21128, 21888, 22021, 23104, 23424, 23769, 25437, 25992, 26352, 26688, 27816, 30024, 31293, 31692, 32832, 33916, 34656, 35136, 35584, 37088, 38988, 40032, 41724, 42256, 43776, 44042, 46208, 46848, 47538, 50179, 50874, 51984, 52704, 53376, 55632, 60048, 62586, 63384, 65664, 66063, 67832, 69312, 70272, 71307, 74176, 76311, 77976, 80064, 83448, 84512, 88084, 92416, 95076, 100358, 101748, 103968, 105408, 106752, 111264, 120096, 125172, 126768, 131328, 132126, 135664, 138624, 140544, 142614, 148352, 150537, 152622, 155952, 160128, 161101, 166896, 169024, 176168, 190152, 198189, 200716, 203496, 207936, 210816, 222528, 228933, 240192, 250344, 253536, 264252, 271328, 277248, 285228, 296704, 301074, 305244, 311904, 320256, 322202, 333792, 338048, 352336, 380304, 396378, 401432, 406992, 415872, 421632, 445056, 451611, 457866, 480384, 483303, 500688, 507072, 528504, 542656, 570456, 594567, 602148, 610488, 623808, 644404, 667584, 676096, 704672, 760608, 792756, 802864, 813984, 831744, 890112, 903222, 915732, 960768, 966606, 1001376, 1014144, 1057008, 1085312, 1140912, 1189134, 1204296, 1220976, 1247616, 1288808, 1335168, 1354833, 1409344, 1449909, 1521216, 1585512, 1605728, 1627968, 1806444, 1831464, 1933212, 2002752, 2028288, 2114016, 2170624, 2281824, 2378268, 2408592, 2441952, 2495232, 2577616, 2670336, 2709666, 2818688, 2899818, 3042432, 3060919, 3171024, 3211456, 3255936, 3612888, 3662928, 3866424, 4005504, 4228032, 4349727, 4563648, 4756536, 4817184, 4883904, 5155232, 5419332, 5637376, 5799636, 6084864, 6121838, 6342048, 6422912, 6511872, 7225776, 7325856, 7732848, 8011008, 8456064, 8699454, 9127296, 9182757, 9513072, 9634368, 9767808, 10310464, 10838664, 11599272, 12243676, 12684096, 12845824, 14451552, 14651712, 15465696, 16912128, 17398908, 18254592, 18365514, 19026144, 19268736, 19535616, 20620928, 21677328, 23198544, 24487352, 25368192, 27548271, 28903104, 29303424, 30931392, 34797816, 36731028, 38052288, 38537472, 41241856, 43354656, 46397088, 48974704, 50736384, 55096542, 57806208, 58606848, 61862784, 69595632, 73462056, 76104576, 82644813, 86709312, 92794176, 97949408, 110193084, 115612416, 123725568, 139191264, 146924112, 152209152, 165289626, 173418624, 185588352, 195898816, 220386168, 278382528, 293848224, 330579252, 346837248, 371176704, 391797632, 440772336, 556765056, 587696448, 661158504, 783595264, 881544672, 1113530112, 1175392896, 1322317008, 1763089344, 2350785792, 2644634016, 3526178688, 5289268032, 7052357376, 10578536064, 21157072128]

約数ペア:

[(1, 21157072128), (2, 10578536064), (3, 7052357376), (4, 5289268032), (6, 3526178688), (8, 2644634016), (9, 2350785792), (12, 1763089344), (16, 1322317008), (18, 1175392896), (19, 1113530112), (24, 881544672), (27, 783595264), (32, 661158504), (36, 587696448), (38, 556765056), (48, 440772336), (54, 391797632), (57, 371176704), (61, 346837248), (64, 330579252), (72, 293848224), (76, 278382528), (96, 220386168), (108, 195898816), (114, 185588352), (122, 173418624), (128, 165289626), (139, 152209152), (144, 146924112), (152, 139191264), (171, 123725568), (183, 115612416), (192, 110193084), (216, 97949408), (228, 92794176), (244, 86709312), (256, 82644813), (278, 76104576), (288, 73462056), (304, 69595632), (342, 61862784), (361, 58606848), (366, 57806208), (384, 55096542), (417, 50736384), (432, 48974704), (456, 46397088), (488, 43354656), (513, 41241856), (549, 38537472), (556, 38052288), (576, 36731028), (608, 34797816), (684, 30931392), (722, 29303424), (732, 28903104), (768, 27548271), (834, 25368192), (864, 24487352), (912, 23198544), (976, 21677328), (1026, 20620928), (1083, 19535616), (1098, 19268736), (1112, 19026144), (1152, 18365514), (1159, 18254592), (1216, 17398908), (1251, 16912128), (1368, 15465696), (1444, 14651712), (1464, 14451552), (1647, 12845824), (1668, 12684096), (1728, 12243676), (1824, 11599272), (1952, 10838664), (2052, 10310464), (2166, 9767808), (2196, 9634368), (2224, 9513072), (2304, 9182757), (2318, 9127296), (2432, 8699454), (2502, 8456064), (2641, 8011008), (2736, 7732848), (2888, 7325856), (2928, 7225776), (3249, 6511872), (3294, 6422912), (3336, 6342048), (3456, 6121838), (3477, 6084864), (3648, 5799636), (3753, 5637376), (3904, 5419332), (4104, 5155232), (4332, 4883904), (4392, 4817184), (4448, 4756536), (4636, 4563648), (4864, 4349727), (5004, 4228032), (5282, 4005504), (5472, 3866424), (5776, 3662928), (5856, 3612888), (6498, 3255936), (6588, 3211456), (6672, 3171024), (6912, 3060919), (6954, 3042432), (7296, 2899818), (7506, 2818688), (7808, 2709666), (7923, 2670336), (8208, 2577616), (8479, 2495232), (8664, 2441952), (8784, 2408592), (8896, 2378268), (9272, 2281824), (9747, 2170624), (10008, 2114016), (10431, 2028288), (10564, 2002752), (10944, 1933212), (11552, 1831464), (11712, 1806444), (12996, 1627968), (13176, 1605728), (13344, 1585512), (13908, 1521216), (14592, 1449909), (15012, 1409344), (15616, 1354833), (15846, 1335168), (16416, 1288808), (16958, 1247616), (17328, 1220976), (17568, 1204296), (17792, 1189134), (18544, 1140912), (19494, 1085312), (20016, 1057008), (20862, 1014144), (21128, 1001376), (21888, 966606), (22021, 960768), (23104, 915732), (23424, 903222), (23769, 890112), (25437, 831744), (25992, 813984), (26352, 802864), (26688, 792756), (27816, 760608), (30024, 704672), (31293, 676096), (31692, 667584), (32832, 644404), (33916, 623808), (34656, 610488), (35136, 602148), (35584, 594567), (37088, 570456), (38988, 542656), (40032, 528504), (41724, 507072), (42256, 500688), (43776, 483303), (44042, 480384), (46208, 457866), (46848, 451611), (47538, 445056), (50179, 421632), (50874, 415872), (51984, 406992), (52704, 401432), (53376, 396378), (55632, 380304), (60048, 352336), (62586, 338048), (63384, 333792), (65664, 322202), (66063, 320256), (67832, 311904), (69312, 305244), (70272, 301074), (71307, 296704), (74176, 285228), (76311, 277248), (77976, 271328), (80064, 264252), (83448, 253536), (84512, 250344), (88084, 240192), (92416, 228933), (95076, 222528), (100358, 210816), (101748, 207936), (103968, 203496), (105408, 200716), (106752, 198189), (111264, 190152), (120096, 176168), (125172, 169024), (126768, 166896), (131328, 161101), (132126, 160128), (135664, 155952), (138624, 152622), (140544, 150537), (142614, 148352)]