21541248

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 66585600

約数和(自身を除く): 45044352

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, 138, 144, 184, 192, 207, 216, 271, 276, 288, 368, 384, 414, 432, 542, 552, 576, 621, 736, 813, 828, 864, 1084, 1104, 1152, 1242, 1472, 1626, 1656, 1728, 2168, 2208, 2439, 2484, 2944, 3252, 3312, 3456, 4336, 4416, 4878, 4968, 6233, 6504, 6624, 7317, 8672, 8832, 9756, 9936, 12466, 13008, 13248, 14634, 17344, 18699, 19512, 19872, 24932, 26016, 26496, 29268, 34688, 37398, 39024, 39744, 49864, 52032, 56097, 58536, 74796, 78048, 79488, 99728, 104064, 112194, 117072, 149592, 156096, 168291, 199456, 224388, 234144, 299184, 312192, 336582, 398912, 448776, 468288, 598368, 673164, 797824, 897552, 936576, 1196736, 1346328, 1795104, 2393472, 2692656, 3590208, 5385312, 7180416, 10770624, 21541248]

約数ペア:

[(1, 21541248), (2, 10770624), (3, 7180416), (4, 5385312), (6, 3590208), (8, 2692656), (9, 2393472), (12, 1795104), (16, 1346328), (18, 1196736), (23, 936576), (24, 897552), (27, 797824), (32, 673164), (36, 598368), (46, 468288), (48, 448776), (54, 398912), (64, 336582), (69, 312192), (72, 299184), (92, 234144), (96, 224388), (108, 199456), (128, 168291), (138, 156096), (144, 149592), (184, 117072), (192, 112194), (207, 104064), (216, 99728), (271, 79488), (276, 78048), (288, 74796), (368, 58536), (384, 56097), (414, 52032), (432, 49864), (542, 39744), (552, 39024), (576, 37398), (621, 34688), (736, 29268), (813, 26496), (828, 26016), (864, 24932), (1084, 19872), (1104, 19512), (1152, 18699), (1242, 17344), (1472, 14634), (1626, 13248), (1656, 13008), (1728, 12466), (2168, 9936), (2208, 9756), (2439, 8832), (2484, 8672), (2944, 7317), (3252, 6624), (3312, 6504), (3456, 6233), (4336, 4968), (4416, 4878)]