21000844782

素因数分解:

$2^1\times 3^3\times {\mathrm{388904533}}^1$

素因数の和:388904544

約数の個数: 16

約数和(自身を含む): 46668544080

約数和(自身を除く): 25667699298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 388904533, 777809066, 1166713599, 2333427198, 3500140797, 7000281594, 10500422391, 21000844782]

約数ペア:

[(1, 21000844782), (2, 10500422391), (3, 7000281594), (6, 3500140797), (9, 2333427198), (18, 1166713599), (27, 777809066), (54, 388904533)]