21778624

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 56

約数和(自身を含む): 49853088

約数和(自身を除く): 28074464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 281, 346, 448, 562, 692, 1124, 1211, 1384, 1967, 2248, 2422, 2768, 3934, 4496, 4844, 5536, 7868, 8992, 9688, 11072, 15736, 17984, 19376, 31472, 38752, 48613, 62944, 77504, 97226, 125888, 194452, 340291, 388904, 680582, 777808, 1361164, 1555616, 2722328, 3111232, 5444656, 10889312, 21778624]

約数ペア:

[(1, 21778624), (2, 10889312), (4, 5444656), (7, 3111232), (8, 2722328), (14, 1555616), (16, 1361164), (28, 777808), (32, 680582), (56, 388904), (64, 340291), (112, 194452), (173, 125888), (224, 97226), (281, 77504), (346, 62944), (448, 48613), (562, 38752), (692, 31472), (1124, 19376), (1211, 17984), (1384, 15736), (1967, 11072), (2248, 9688), (2422, 8992), (2768, 7868), (3934, 5536), (4496, 4844)]