21654992

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{3083}}^1$

素因数の和:3530

約数の個数: 20

約数和(自身を含む): 42065760

約数和(自身を除く): 20410768

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3083, 3512, 6166, 7024, 12332, 24664, 49328, 1353437, 2706874, 5413748, 10827496, 21654992]

約数ペア:

[(1, 21654992), (2, 10827496), (4, 5413748), (8, 2706874), (16, 1353437), (439, 49328), (878, 24664), (1756, 12332), (3083, 7024), (3512, 6166)]