21094029

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3001}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 33718464

約数和(自身を除く): 12624435

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 3001, 7029, 9003, 27009, 33011, 99033, 213071, 297099, 639213, 1917639, 2343781, 7031343, 21094029]

約数ペア:

[(1, 21094029), (3, 7031343), (9, 2343781), (11, 1917639), (33, 639213), (71, 297099), (99, 213071), (213, 99033), (639, 33011), (781, 27009), (2343, 9003), (3001, 7029)]