21902346

素因数分解:

$2^1\times 3^3\times {\mathrm{405599}}^1$

素因数の和:405610

約数の個数: 16

約数和(自身を含む): 48672000

約数和(自身を除く): 26769654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405599, 811198, 1216797, 2433594, 3650391, 7300782, 10951173, 21902346]

約数ペア:

[(1, 21902346), (2, 10951173), (3, 7300782), (6, 3650391), (9, 2433594), (18, 1216797), (27, 811198), (54, 405599)]