21241856

素因数分解:

$2^{13}\times {\mathrm{2593}}^1$

素因数の和:2619

約数の個数: 28

約数和(自身を含む): 42497502

約数和(自身を除く): 21255646

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2593, 4096, 5186, 8192, 10372, 20744, 41488, 82976, 165952, 331904, 663808, 1327616, 2655232, 5310464, 10620928, 21241856]

約数ペア:

[(1, 21241856), (2, 10620928), (4, 5310464), (8, 2655232), (16, 1327616), (32, 663808), (64, 331904), (128, 165952), (256, 82976), (512, 41488), (1024, 20744), (2048, 10372), (2593, 8192), (4096, 5186)]