21749049

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3559}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 36283520

約数和(自身を除く): 14534471

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3559, 6111, 10677, 24913, 32031, 74739, 224217, 345223, 1035669, 2416561, 3107007, 7249683, 21749049]

約数ペア:

[(1, 21749049), (3, 7249683), (7, 3107007), (9, 2416561), (21, 1035669), (63, 345223), (97, 224217), (291, 74739), (679, 32031), (873, 24913), (2037, 10677), (3559, 6111)]