21358848

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 67697280

約数和(自身を除く): 46338432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 84, 87, 96, 112, 116, 128, 137, 168, 174, 192, 203, 224, 232, 256, 274, 336, 348, 384, 406, 411, 448, 464, 548, 609, 672, 696, 768, 812, 822, 896, 928, 959, 1096, 1218, 1344, 1392, 1624, 1644, 1792, 1856, 1918, 2192, 2436, 2688, 2784, 2877, 3248, 3288, 3712, 3836, 3973, 4384, 4872, 5376, 5568, 5754, 6496, 6576, 7424, 7672, 7946, 8768, 9744, 11136, 11508, 11919, 12992, 13152, 15344, 15892, 17536, 19488, 22272, 23016, 23838, 25984, 26304, 27811, 30688, 31784, 35072, 38976, 46032, 47676, 51968, 52608, 55622, 61376, 63568, 77952, 83433, 92064, 95352, 105216, 111244, 122752, 127136, 155904, 166866, 184128, 190704, 222488, 245504, 254272, 333732, 368256, 381408, 444976, 508544, 667464, 736512, 762816, 889952, 1017088, 1334928, 1525632, 1779904, 2669856, 3051264, 3559808, 5339712, 7119616, 10679424, 21358848]

約数ペア:

[(1, 21358848), (2, 10679424), (3, 7119616), (4, 5339712), (6, 3559808), (7, 3051264), (8, 2669856), (12, 1779904), (14, 1525632), (16, 1334928), (21, 1017088), (24, 889952), (28, 762816), (29, 736512), (32, 667464), (42, 508544), (48, 444976), (56, 381408), (58, 368256), (64, 333732), (84, 254272), (87, 245504), (96, 222488), (112, 190704), (116, 184128), (128, 166866), (137, 155904), (168, 127136), (174, 122752), (192, 111244), (203, 105216), (224, 95352), (232, 92064), (256, 83433), (274, 77952), (336, 63568), (348, 61376), (384, 55622), (406, 52608), (411, 51968), (448, 47676), (464, 46032), (548, 38976), (609, 35072), (672, 31784), (696, 30688), (768, 27811), (812, 26304), (822, 25984), (896, 23838), (928, 23016), (959, 22272), (1096, 19488), (1218, 17536), (1344, 15892), (1392, 15344), (1624, 13152), (1644, 12992), (1792, 11919), (1856, 11508), (1918, 11136), (2192, 9744), (2436, 8768), (2688, 7946), (2784, 7672), (2877, 7424), (3248, 6576), (3288, 6496), (3712, 5754), (3836, 5568), (3973, 5376), (4384, 4872)]