21000659346

素因数分解:

$2^1\times 3^3\times {\mathrm{388901099}}^1$

素因数の和:388901110

約数の個数: 16

約数和(自身を含む): 46668132000

約数和(自身を除く): 25667472654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 388901099, 777802198, 1166703297, 2333406594, 3500109891, 7000219782, 10500329673, 21000659346]

約数ペア:

[(1, 21000659346), (2, 10500329673), (3, 7000219782), (6, 3500109891), (9, 2333406594), (18, 1166703297), (27, 777802198), (54, 388901099)]