21808128

素因数分解:

$2^{10}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 88

約数和(自身を含む): 60263680

約数和(自身を除く): 38455552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 229, 248, 256, 372, 384, 458, 496, 512, 687, 744, 768, 916, 992, 1024, 1374, 1488, 1536, 1832, 1984, 2748, 2976, 3072, 3664, 3968, 5496, 5952, 7099, 7328, 7936, 10992, 11904, 14198, 14656, 15872, 21297, 21984, 23808, 28396, 29312, 31744, 42594, 43968, 47616, 56792, 58624, 85188, 87936, 95232, 113584, 117248, 170376, 175872, 227168, 234496, 340752, 351744, 454336, 681504, 703488, 908672, 1363008, 1817344, 2726016, 3634688, 5452032, 7269376, 10904064, 21808128]

約数ペア:

[(1, 21808128), (2, 10904064), (3, 7269376), (4, 5452032), (6, 3634688), (8, 2726016), (12, 1817344), (16, 1363008), (24, 908672), (31, 703488), (32, 681504), (48, 454336), (62, 351744), (64, 340752), (93, 234496), (96, 227168), (124, 175872), (128, 170376), (186, 117248), (192, 113584), (229, 95232), (248, 87936), (256, 85188), (372, 58624), (384, 56792), (458, 47616), (496, 43968), (512, 42594), (687, 31744), (744, 29312), (768, 28396), (916, 23808), (992, 21984), (1024, 21297), (1374, 15872), (1488, 14656), (1536, 14198), (1832, 11904), (1984, 10992), (2748, 7936), (2976, 7328), (3072, 7099), (3664, 5952), (3968, 5496)]