21440026816

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^3$

素因数の和:129

約数の個数: 252

約数和(自身を含む): 51657305880

約数和(自身を除く): 30217279064

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 136, 152, 169, 208, 221, 247, 272, 289, 304, 323, 338, 361, 416, 442, 494, 544, 578, 608, 646, 676, 722, 832, 884, 988, 1088, 1156, 1216, 1292, 1352, 1444, 1768, 1976, 2312, 2584, 2704, 2873, 2888, 3211, 3536, 3757, 3952, 4199, 4624, 4693, 5168, 5408, 5491, 5746, 5776, 6137, 6422, 6859, 7072, 7514, 7904, 8398, 9248, 9386, 10336, 10816, 10982, 11492, 11552, 12274, 12844, 13718, 14144, 15028, 15808, 16796, 18496, 18772, 20672, 21964, 22984, 23104, 24548, 25688, 27436, 30056, 33592, 37544, 43928, 45968, 48841, 49096, 51376, 54587, 54872, 60112, 61009, 67184, 71383, 75088, 79781, 87856, 89167, 91936, 97682, 98192, 102752, 104329, 109174, 109744, 116603, 120224, 122018, 134368, 142766, 150176, 159562, 175712, 178334, 183872, 195364, 196384, 205504, 208658, 218348, 219488, 233206, 240448, 244036, 268736, 285532, 300352, 319124, 351424, 356668, 390728, 392768, 417316, 436696, 438976, 466412, 488072, 571064, 638248, 713336, 781456, 834632, 873392, 927979, 932824, 976144, 1037153, 1142128, 1159171, 1276496, 1356277, 1426672, 1515839, 1562912, 1669264, 1746784, 1855958, 1865648, 1952288, 1982251, 2074306, 2284256, 2318342, 2552992, 2712554, 2853344, 3031678, 3125824, 3338528, 3493568, 3711916, 3731296, 3904576, 3964502, 4148612, 4568512, 4636684, 5105984, 5425108, 5706688, 6063356, 6677056, 7423832, 7462592, 7929004, 8297224, 9273368, 10850216, 12126712, 14847664, 15858008, 16594448, 17631601, 18546736, 19705907, 21700432, 24253424, 25769263, 29695328, 31716016, 33188896, 35263202, 37093472, 39411814, 43400864, 48506848, 51538526, 59390656, 63432032, 66377792, 70526404, 74186944, 78823628, 86801728, 97013696, 103077052, 126864064, 141052808, 157647256, 206154104, 282105616, 315294512, 335000419, 412308208, 564211232, 630589024, 670000838, 824616416, 1128422464, 1261178048, 1340001676, 1649232832, 2680003352, 5360006704, 10720013408, 21440026816]

約数ペア:

[(1, 21440026816), (2, 10720013408), (4, 5360006704), (8, 2680003352), (13, 1649232832), (16, 1340001676), (17, 1261178048), (19, 1128422464), (26, 824616416), (32, 670000838), (34, 630589024), (38, 564211232), (52, 412308208), (64, 335000419), (68, 315294512), (76, 282105616), (104, 206154104), (136, 157647256), (152, 141052808), (169, 126864064), (208, 103077052), (221, 97013696), (247, 86801728), (272, 78823628), (289, 74186944), (304, 70526404), (323, 66377792), (338, 63432032), (361, 59390656), (416, 51538526), (442, 48506848), (494, 43400864), (544, 39411814), (578, 37093472), (608, 35263202), (646, 33188896), (676, 31716016), (722, 29695328), (832, 25769263), (884, 24253424), (988, 21700432), (1088, 19705907), (1156, 18546736), (1216, 17631601), (1292, 16594448), (1352, 15858008), (1444, 14847664), (1768, 12126712), (1976, 10850216), (2312, 9273368), (2584, 8297224), (2704, 7929004), (2873, 7462592), (2888, 7423832), (3211, 6677056), (3536, 6063356), (3757, 5706688), (3952, 5425108), (4199, 5105984), (4624, 4636684), (4693, 4568512), (5168, 4148612), (5408, 3964502), (5491, 3904576), (5746, 3731296), (5776, 3711916), (6137, 3493568), (6422, 3338528), (6859, 3125824), (7072, 3031678), (7514, 2853344), (7904, 2712554), (8398, 2552992), (9248, 2318342), (9386, 2284256), (10336, 2074306), (10816, 1982251), (10982, 1952288), (11492, 1865648), (11552, 1855958), (12274, 1746784), (12844, 1669264), (13718, 1562912), (14144, 1515839), (15028, 1426672), (15808, 1356277), (16796, 1276496), (18496, 1159171), (18772, 1142128), (20672, 1037153), (21964, 976144), (22984, 932824), (23104, 927979), (24548, 873392), (25688, 834632), (27436, 781456), (30056, 713336), (33592, 638248), (37544, 571064), (43928, 488072), (45968, 466412), (48841, 438976), (49096, 436696), (51376, 417316), (54587, 392768), (54872, 390728), (60112, 356668), (61009, 351424), (67184, 319124), (71383, 300352), (75088, 285532), (79781, 268736), (87856, 244036), (89167, 240448), (91936, 233206), (97682, 219488), (98192, 218348), (102752, 208658), (104329, 205504), (109174, 196384), (109744, 195364), (116603, 183872), (120224, 178334), (122018, 175712), (134368, 159562), (142766, 150176)]