21139980288

素因数分解:

$2^{15}\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 256

約数和(自身を含む): 66570977280

約数和(自身を除く): 45430996992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 512, 651, 672, 744, 768, 868, 896, 991, 992, 1024, 1302, 1344, 1488, 1536, 1736, 1792, 1982, 1984, 2048, 2604, 2688, 2973, 2976, 3072, 3472, 3584, 3964, 3968, 4096, 5208, 5376, 5946, 5952, 6144, 6937, 6944, 7168, 7928, 7936, 8192, 10416, 10752, 11892, 11904, 12288, 13874, 13888, 14336, 15856, 15872, 16384, 20811, 20832, 21504, 23784, 23808, 24576, 27748, 27776, 28672, 30721, 31712, 31744, 32768, 41622, 41664, 43008, 47568, 47616, 49152, 55496, 55552, 57344, 61442, 63424, 63488, 83244, 83328, 86016, 92163, 95136, 95232, 98304, 110992, 111104, 114688, 122884, 126848, 126976, 166488, 166656, 172032, 184326, 190272, 190464, 215047, 221984, 222208, 229376, 245768, 253696, 253952, 332976, 333312, 344064, 368652, 380544, 380928, 430094, 443968, 444416, 491536, 507392, 507904, 645141, 665952, 666624, 688128, 737304, 761088, 761856, 860188, 887936, 888832, 983072, 1014784, 1015808, 1290282, 1331904, 1333248, 1474608, 1522176, 1523712, 1720376, 1775872, 1777664, 1966144, 2029568, 2580564, 2663808, 2666496, 2949216, 3044352, 3047424, 3440752, 3551744, 3555328, 3932288, 4059136, 5161128, 5327616, 5332992, 5898432, 6088704, 6881504, 7103488, 7110656, 7864576, 8118272, 10322256, 10655232, 10665984, 11796864, 12177408, 13763008, 14206976, 15729152, 16236544, 20644512, 21310464, 21331968, 23593728, 24354816, 27526016, 28413952, 31458304, 32473088, 41289024, 42620928, 47187456, 48709632, 55052032, 56827904, 62916608, 82578048, 85241856, 94374912, 97419264, 110104064, 113655808, 125833216, 165156096, 170483712, 188749824, 220208128, 227311616, 251666432, 330312192, 340967424, 377499648, 440416256, 503332864, 660624384, 681934848, 754999296, 880832512, 1006665728, 1321248768, 1509998592, 1761665024, 2642497536, 3019997184, 3523330048, 5284995072, 7046660096, 10569990144, 21139980288]

約数ペア:

[(1, 21139980288), (2, 10569990144), (3, 7046660096), (4, 5284995072), (6, 3523330048), (7, 3019997184), (8, 2642497536), (12, 1761665024), (14, 1509998592), (16, 1321248768), (21, 1006665728), (24, 880832512), (28, 754999296), (31, 681934848), (32, 660624384), (42, 503332864), (48, 440416256), (56, 377499648), (62, 340967424), (64, 330312192), (84, 251666432), (93, 227311616), (96, 220208128), (112, 188749824), (124, 170483712), (128, 165156096), (168, 125833216), (186, 113655808), (192, 110104064), (217, 97419264), (224, 94374912), (248, 85241856), (256, 82578048), (336, 62916608), (372, 56827904), (384, 55052032), (434, 48709632), (448, 47187456), (496, 42620928), (512, 41289024), (651, 32473088), (672, 31458304), (744, 28413952), (768, 27526016), (868, 24354816), (896, 23593728), (991, 21331968), (992, 21310464), (1024, 20644512), (1302, 16236544), (1344, 15729152), (1488, 14206976), (1536, 13763008), (1736, 12177408), (1792, 11796864), (1982, 10665984), (1984, 10655232), (2048, 10322256), (2604, 8118272), (2688, 7864576), (2973, 7110656), (2976, 7103488), (3072, 6881504), (3472, 6088704), (3584, 5898432), (3964, 5332992), (3968, 5327616), (4096, 5161128), (5208, 4059136), (5376, 3932288), (5946, 3555328), (5952, 3551744), (6144, 3440752), (6937, 3047424), (6944, 3044352), (7168, 2949216), (7928, 2666496), (7936, 2663808), (8192, 2580564), (10416, 2029568), (10752, 1966144), (11892, 1777664), (11904, 1775872), (12288, 1720376), (13874, 1523712), (13888, 1522176), (14336, 1474608), (15856, 1333248), (15872, 1331904), (16384, 1290282), (20811, 1015808), (20832, 1014784), (21504, 983072), (23784, 888832), (23808, 887936), (24576, 860188), (27748, 761856), (27776, 761088), (28672, 737304), (30721, 688128), (31712, 666624), (31744, 665952), (32768, 645141), (41622, 507904), (41664, 507392), (43008, 491536), (47568, 444416), (47616, 443968), (49152, 430094), (55496, 380928), (55552, 380544), (57344, 368652), (61442, 344064), (63424, 333312), (63488, 332976), (83244, 253952), (83328, 253696), (86016, 245768), (92163, 229376), (95136, 222208), (95232, 221984), (98304, 215047), (110992, 190464), (111104, 190272), (114688, 184326), (122884, 172032), (126848, 166656), (126976, 166488)]