21897684

素因数分解:

$2^2\times 3^2\times {\mathrm{608269}}^1$

素因数の和:608279

約数の個数: 18

約数和(自身を含む): 55352570

約数和(自身を除く): 33454886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608269, 1216538, 1824807, 2433076, 3649614, 5474421, 7299228, 10948842, 21897684]

約数ペア:

[(1, 21897684), (2, 10948842), (3, 7299228), (4, 5474421), (6, 3649614), (9, 2433076), (12, 1824807), (18, 1216538), (36, 608269)]