21171496

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{7211}}^1$

素因数の和:7584

約数の個数: 16

約数和(自身を含む): 39810240

約数和(自身を除く): 18638744

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 7211, 14422, 28844, 57688, 2646437, 5292874, 10585748, 21171496]

約数ペア:

[(1, 21171496), (2, 10585748), (4, 5292874), (8, 2646437), (367, 57688), (734, 28844), (1468, 14422), (2936, 7211)]