21894992

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10289}}^1$

素因数の和:10323

約数の個数: 40

約数和(自身を含む): 51038400

約数和(自身を除く): 29143408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10289, 20578, 41156, 72023, 82312, 144046, 164624, 195491, 288092, 390982, 576184, 781964, 1152368, 1368437, 1563928, 2736874, 3127856, 5473748, 10947496, 21894992]

約数ペア:

[(1, 21894992), (2, 10947496), (4, 5473748), (7, 3127856), (8, 2736874), (14, 1563928), (16, 1368437), (19, 1152368), (28, 781964), (38, 576184), (56, 390982), (76, 288092), (112, 195491), (133, 164624), (152, 144046), (266, 82312), (304, 72023), (532, 41156), (1064, 20578), (2128, 10289)]