21779712

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 67697280

約数和(自身を除く): 45917568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 137, 138, 144, 184, 192, 207, 216, 256, 274, 276, 288, 368, 384, 411, 414, 432, 548, 552, 576, 621, 736, 768, 822, 828, 864, 1096, 1104, 1152, 1233, 1242, 1472, 1644, 1656, 1728, 2192, 2208, 2304, 2466, 2484, 2944, 3151, 3288, 3312, 3456, 3699, 4384, 4416, 4932, 4968, 5888, 6302, 6576, 6624, 6912, 7398, 8768, 8832, 9453, 9864, 9936, 12604, 13152, 13248, 14796, 17536, 17664, 18906, 19728, 19872, 25208, 26304, 26496, 28359, 29592, 35072, 37812, 39456, 39744, 50416, 52608, 52992, 56718, 59184, 75624, 78912, 79488, 85077, 100832, 105216, 113436, 118368, 151248, 157824, 158976, 170154, 201664, 226872, 236736, 302496, 315648, 340308, 403328, 453744, 473472, 604992, 680616, 806656, 907488, 946944, 1209984, 1361232, 1814976, 2419968, 2722464, 3629952, 5444928, 7259904, 10889856, 21779712]

約数ペア:

[(1, 21779712), (2, 10889856), (3, 7259904), (4, 5444928), (6, 3629952), (8, 2722464), (9, 2419968), (12, 1814976), (16, 1361232), (18, 1209984), (23, 946944), (24, 907488), (27, 806656), (32, 680616), (36, 604992), (46, 473472), (48, 453744), (54, 403328), (64, 340308), (69, 315648), (72, 302496), (92, 236736), (96, 226872), (108, 201664), (128, 170154), (137, 158976), (138, 157824), (144, 151248), (184, 118368), (192, 113436), (207, 105216), (216, 100832), (256, 85077), (274, 79488), (276, 78912), (288, 75624), (368, 59184), (384, 56718), (411, 52992), (414, 52608), (432, 50416), (548, 39744), (552, 39456), (576, 37812), (621, 35072), (736, 29592), (768, 28359), (822, 26496), (828, 26304), (864, 25208), (1096, 19872), (1104, 19728), (1152, 18906), (1233, 17664), (1242, 17536), (1472, 14796), (1644, 13248), (1656, 13152), (1728, 12604), (2192, 9936), (2208, 9864), (2304, 9453), (2466, 8832), (2484, 8768), (2944, 7398), (3151, 6912), (3288, 6624), (3312, 6576), (3456, 6302), (3699, 5888), (4384, 4968), (4416, 4932)]