21898192

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12791}}^1$

素因数の和:12906

約数の個数: 20

約数和(自身を含む): 42827616

約数和(自身を除く): 20929424

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12791, 25582, 51164, 102328, 204656, 1368637, 2737274, 5474548, 10949096, 21898192]

約数ペア:

[(1, 21898192), (2, 10949096), (4, 5474548), (8, 2737274), (16, 1368637), (107, 204656), (214, 102328), (428, 51164), (856, 25582), (1712, 12791)]