21197706

素因数分解:

$2^1\times 3^1\times {\mathrm{1217}}^1\times {\mathrm{2903}}^1$

素因数の和:4125

約数の個数: 16

約数和(自身を含む): 42444864

約数和(自身を除く): 21247158

約数列:

[1, 2, 3, 6, 1217, 2434, 2903, 3651, 5806, 7302, 8709, 17418, 3532951, 7065902, 10598853, 21197706]

約数ペア:

[(1, 21197706), (2, 10598853), (3, 7065902), (6, 3532951), (1217, 17418), (2434, 8709), (2903, 7302), (3651, 5806)]