21239626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2551}}^1$

素因数の和:2757

約数の個数: 16

約数和(自身を含む): 33441408

約数和(自身を除く): 12201782

約数列:

[1, 2, 23, 46, 181, 362, 2551, 4163, 5102, 8326, 58673, 117346, 461731, 923462, 10619813, 21239626]

約数ペア:

[(1, 21239626), (2, 10619813), (23, 923462), (46, 461731), (181, 117346), (362, 58673), (2551, 8326), (4163, 5102)]