21706848

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45516672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 32, 36, 46, 48, 58, 69, 72, 87, 92, 96, 113, 116, 138, 144, 174, 184, 207, 226, 232, 261, 276, 288, 339, 348, 368, 414, 452, 464, 522, 552, 667, 678, 696, 736, 828, 904, 928, 1017, 1044, 1104, 1334, 1356, 1392, 1656, 1808, 2001, 2034, 2088, 2208, 2599, 2668, 2712, 2784, 3277, 3312, 3616, 4002, 4068, 4176, 5198, 5336, 5424, 6003, 6554, 6624, 7797, 8004, 8136, 8352, 9831, 10396, 10672, 10848, 12006, 13108, 15594, 16008, 16272, 19662, 20792, 21344, 23391, 24012, 26216, 29493, 31188, 32016, 32544, 39324, 41584, 46782, 48024, 52432, 58986, 62376, 64032, 75371, 78648, 83168, 93564, 96048, 104864, 117972, 124752, 150742, 157296, 187128, 192096, 226113, 235944, 249504, 301484, 314592, 374256, 452226, 471888, 602968, 678339, 748512, 904452, 943776, 1205936, 1356678, 1808904, 2411872, 2713356, 3617808, 5426712, 7235616, 10853424, 21706848]

約数ペア:

[(1, 21706848), (2, 10853424), (3, 7235616), (4, 5426712), (6, 3617808), (8, 2713356), (9, 2411872), (12, 1808904), (16, 1356678), (18, 1205936), (23, 943776), (24, 904452), (29, 748512), (32, 678339), (36, 602968), (46, 471888), (48, 452226), (58, 374256), (69, 314592), (72, 301484), (87, 249504), (92, 235944), (96, 226113), (113, 192096), (116, 187128), (138, 157296), (144, 150742), (174, 124752), (184, 117972), (207, 104864), (226, 96048), (232, 93564), (261, 83168), (276, 78648), (288, 75371), (339, 64032), (348, 62376), (368, 58986), (414, 52432), (452, 48024), (464, 46782), (522, 41584), (552, 39324), (667, 32544), (678, 32016), (696, 31188), (736, 29493), (828, 26216), (904, 24012), (928, 23391), (1017, 21344), (1044, 20792), (1104, 19662), (1334, 16272), (1356, 16008), (1392, 15594), (1656, 13108), (1808, 12006), (2001, 10848), (2034, 10672), (2088, 10396), (2208, 9831), (2599, 8352), (2668, 8136), (2712, 8004), (2784, 7797), (3277, 6624), (3312, 6554), (3616, 6003), (4002, 5424), (4068, 5336), (4176, 5198)]