21806477

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1637}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 5554675

約数列:

[1, 7, 11, 77, 173, 1211, 1637, 1903, 11459, 13321, 18007, 126049, 283201, 1982407, 3115211, 21806477]

約数ペア:

[(1, 21806477), (7, 3115211), (11, 1982407), (77, 283201), (173, 126049), (1211, 18007), (1637, 13321), (1903, 11459)]