21941874

素因数分解:

$2^1\times 3^3\times {\mathrm{406331}}^1$

素因数の和:406342

約数の個数: 16

約数和(自身を含む): 48759840

約数和(自身を除く): 26817966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406331, 812662, 1218993, 2437986, 3656979, 7313958, 10970937, 21941874]

約数ペア:

[(1, 21941874), (2, 10970937), (3, 7313958), (6, 3656979), (9, 2437986), (18, 1218993), (27, 812662), (54, 406331)]