21785454

素因数分解:

$2^1\times 3^2\times {\mathrm{193}}^1\times {\mathrm{6271}}^1$

素因数の和:6472

約数の個数: 24

約数和(自身を含む): 47453952

約数和(自身を除く): 25668498

約数列:

[1, 2, 3, 6, 9, 18, 193, 386, 579, 1158, 1737, 3474, 6271, 12542, 18813, 37626, 56439, 112878, 1210303, 2420606, 3630909, 7261818, 10892727, 21785454]

約数ペア:

[(1, 21785454), (2, 10892727), (3, 7261818), (6, 3630909), (9, 2420606), (18, 1210303), (193, 112878), (386, 56439), (579, 37626), (1158, 18813), (1737, 12542), (3474, 6271)]