21936284

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{479}}^1$

素因数の和:697

約数の個数: 18

約数和(自身を含む): 38831520

約数和(自身を除く): 16895236

約数列:

[1, 2, 4, 107, 214, 428, 479, 958, 1916, 11449, 22898, 45796, 51253, 102506, 205012, 5484071, 10968142, 21936284]

約数ペア:

[(1, 21936284), (2, 10968142), (4, 5484071), (107, 205012), (214, 102506), (428, 51253), (479, 45796), (958, 22898), (1916, 11449)]