21042123456

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:264

約数の個数: 448

約数和(自身を含む): 64467394560

約数和(自身を除く): 43425271104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 31, 32, 34, 48, 51, 58, 62, 64, 68, 71, 87, 93, 96, 101, 102, 116, 124, 136, 142, 174, 186, 192, 202, 204, 213, 232, 248, 272, 284, 303, 348, 372, 404, 408, 426, 464, 493, 496, 527, 544, 568, 606, 696, 744, 808, 816, 852, 899, 928, 986, 992, 1054, 1088, 1136, 1207, 1212, 1392, 1479, 1488, 1581, 1616, 1632, 1704, 1717, 1798, 1856, 1972, 1984, 2059, 2108, 2201, 2272, 2414, 2424, 2697, 2784, 2929, 2958, 2976, 3131, 3162, 3232, 3264, 3408, 3434, 3596, 3621, 3944, 4118, 4216, 4402, 4544, 4828, 4848, 5151, 5394, 5568, 5858, 5916, 5952, 6177, 6262, 6324, 6464, 6603, 6816, 6868, 7171, 7192, 7242, 7888, 8236, 8432, 8787, 8804, 9393, 9656, 9696, 10302, 10788, 11716, 11832, 12354, 12524, 12648, 13206, 13632, 13736, 14342, 14384, 14484, 15283, 15776, 16472, 16864, 17574, 17608, 18786, 19312, 19392, 20604, 21513, 21576, 23432, 23664, 24708, 25048, 25296, 26412, 27472, 28684, 28768, 28968, 30566, 31552, 32944, 33728, 35003, 35148, 35216, 37417, 37572, 38624, 41208, 43026, 43152, 45849, 46864, 47328, 49416, 49793, 50096, 50592, 52824, 53227, 54944, 57368, 57536, 57936, 61132, 63829, 65888, 70006, 70296, 70432, 74834, 75144, 77248, 82416, 86052, 86304, 90799, 91698, 93728, 94656, 98832, 99586, 100192, 101184, 105009, 105648, 106454, 109888, 112251, 114736, 115872, 121907, 122264, 127658, 131776, 140012, 140592, 140864, 149379, 149668, 150288, 159681, 164832, 172104, 172608, 181598, 183396, 187456, 191487, 197664, 199172, 200384, 207959, 210018, 211296, 212908, 222301, 224502, 229472, 231744, 243814, 244528, 255316, 272397, 280024, 281184, 298758, 299336, 300576, 319362, 329664, 344208, 363196, 365721, 366792, 382974, 395328, 398344, 415918, 420036, 422592, 425816, 444602, 449004, 458944, 487628, 489056, 510632, 544794, 560048, 562368, 597516, 598672, 601152, 623877, 638724, 666903, 688416, 726392, 731442, 733584, 765948, 796688, 831836, 840072, 851632, 889204, 898008, 975256, 978112, 1021264, 1085093, 1089588, 1120096, 1195032, 1197344, 1247754, 1277448, 1333806, 1376832, 1452784, 1462884, 1467168, 1531896, 1543583, 1593376, 1663672, 1680144, 1703264, 1778408, 1796016, 1950512, 2042528, 2170186, 2179176, 2240192, 2390064, 2394688, 2495508, 2554896, 2667612, 2905568, 2925768, 2934336, 3063792, 3087166, 3186752, 3255279, 3327344, 3360288, 3406528, 3535303, 3556816, 3592032, 3779117, 3901024, 4085056, 4340372, 4358352, 4630749, 4780128, 4991016, 5109792, 5335224, 5811136, 5851536, 6127584, 6174332, 6446729, 6510558, 6654688, 6720576, 7070606, 7113632, 7184064, 7558234, 7802048, 8680744, 8716704, 9261498, 9560256, 9982032, 10219584, 10605909, 10670448, 11337351, 11703072, 12255168, 12348664, 12893458, 13021116, 13309376, 14141212, 14227264, 15116468, 17361488, 17433408, 18522996, 19340187, 19964064, 21211818, 21340896, 22674702, 23406144, 24697328, 25786916, 26042232, 28282424, 30232936, 34722976, 37045992, 38680374, 39928128, 42423636, 42681792, 45349404, 49394656, 51573832, 52084464, 56564848, 60465872, 69445952, 74091984, 77360748, 84847272, 90698808, 98789312, 103147664, 104168928, 109594393, 113129696, 120931744, 148183968, 154721496, 169694544, 181397616, 206295328, 208337856, 219188786, 226259392, 241863488, 296367936, 309442992, 328783179, 339389088, 362795232, 412590656, 438377572, 618885984, 657566358, 678778176, 725590464, 876755144, 1237771968, 1315132716, 1753510288, 2630265432, 3507020576, 5260530864, 7014041152, 10521061728, 21042123456]

約数ペア:

[(1, 21042123456), (2, 10521061728), (3, 7014041152), (4, 5260530864), (6, 3507020576), (8, 2630265432), (12, 1753510288), (16, 1315132716), (17, 1237771968), (24, 876755144), (29, 725590464), (31, 678778176), (32, 657566358), (34, 618885984), (48, 438377572), (51, 412590656), (58, 362795232), (62, 339389088), (64, 328783179), (68, 309442992), (71, 296367936), (87, 241863488), (93, 226259392), (96, 219188786), (101, 208337856), (102, 206295328), (116, 181397616), (124, 169694544), (136, 154721496), (142, 148183968), (174, 120931744), (186, 113129696), (192, 109594393), (202, 104168928), (204, 103147664), (213, 98789312), (232, 90698808), (248, 84847272), (272, 77360748), (284, 74091984), (303, 69445952), (348, 60465872), (372, 56564848), (404, 52084464), (408, 51573832), (426, 49394656), (464, 45349404), (493, 42681792), (496, 42423636), (527, 39928128), (544, 38680374), (568, 37045992), (606, 34722976), (696, 30232936), (744, 28282424), (808, 26042232), (816, 25786916), (852, 24697328), (899, 23406144), (928, 22674702), (986, 21340896), (992, 21211818), (1054, 19964064), (1088, 19340187), (1136, 18522996), (1207, 17433408), (1212, 17361488), (1392, 15116468), (1479, 14227264), (1488, 14141212), (1581, 13309376), (1616, 13021116), (1632, 12893458), (1704, 12348664), (1717, 12255168), (1798, 11703072), (1856, 11337351), (1972, 10670448), (1984, 10605909), (2059, 10219584), (2108, 9982032), (2201, 9560256), (2272, 9261498), (2414, 8716704), (2424, 8680744), (2697, 7802048), (2784, 7558234), (2929, 7184064), (2958, 7113632), (2976, 7070606), (3131, 6720576), (3162, 6654688), (3232, 6510558), (3264, 6446729), (3408, 6174332), (3434, 6127584), (3596, 5851536), (3621, 5811136), (3944, 5335224), (4118, 5109792), (4216, 4991016), (4402, 4780128), (4544, 4630749), (4828, 4358352), (4848, 4340372), (5151, 4085056), (5394, 3901024), (5568, 3779117), (5858, 3592032), (5916, 3556816), (5952, 3535303), (6177, 3406528), (6262, 3360288), (6324, 3327344), (6464, 3255279), (6603, 3186752), (6816, 3087166), (6868, 3063792), (7171, 2934336), (7192, 2925768), (7242, 2905568), (7888, 2667612), (8236, 2554896), (8432, 2495508), (8787, 2394688), (8804, 2390064), (9393, 2240192), (9656, 2179176), (9696, 2170186), (10302, 2042528), (10788, 1950512), (11716, 1796016), (11832, 1778408), (12354, 1703264), (12524, 1680144), (12648, 1663672), (13206, 1593376), (13632, 1543583), (13736, 1531896), (14342, 1467168), (14384, 1462884), (14484, 1452784), (15283, 1376832), (15776, 1333806), (16472, 1277448), (16864, 1247754), (17574, 1197344), (17608, 1195032), (18786, 1120096), (19312, 1089588), (19392, 1085093), (20604, 1021264), (21513, 978112), (21576, 975256), (23432, 898008), (23664, 889204), (24708, 851632), (25048, 840072), (25296, 831836), (26412, 796688), (27472, 765948), (28684, 733584), (28768, 731442), (28968, 726392), (30566, 688416), (31552, 666903), (32944, 638724), (33728, 623877), (35003, 601152), (35148, 598672), (35216, 597516), (37417, 562368), (37572, 560048), (38624, 544794), (41208, 510632), (43026, 489056), (43152, 487628), (45849, 458944), (46864, 449004), (47328, 444602), (49416, 425816), (49793, 422592), (50096, 420036), (50592, 415918), (52824, 398344), (53227, 395328), (54944, 382974), (57368, 366792), (57536, 365721), (57936, 363196), (61132, 344208), (63829, 329664), (65888, 319362), (70006, 300576), (70296, 299336), (70432, 298758), (74834, 281184), (75144, 280024), (77248, 272397), (82416, 255316), (86052, 244528), (86304, 243814), (90799, 231744), (91698, 229472), (93728, 224502), (94656, 222301), (98832, 212908), (99586, 211296), (100192, 210018), (101184, 207959), (105009, 200384), (105648, 199172), (106454, 197664), (109888, 191487), (112251, 187456), (114736, 183396), (115872, 181598), (121907, 172608), (122264, 172104), (127658, 164832), (131776, 159681), (140012, 150288), (140592, 149668), (140864, 149379)]