21045584

素因数分解:

$2^4\times 7^1\times {\mathrm{187907}}^1$

素因数の和:187922

約数の個数: 20

約数和(自身を含む): 46601184

約数和(自身を除く): 25555600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187907, 375814, 751628, 1315349, 1503256, 2630698, 3006512, 5261396, 10522792, 21045584]

約数ペア:

[(1, 21045584), (2, 10522792), (4, 5261396), (7, 3006512), (8, 2630698), (14, 1503256), (16, 1315349), (28, 751628), (56, 375814), (112, 187907)]