21427306

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1949}}^1$

素因数の和:2213

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 12268694

約数列:

[1, 2, 23, 46, 239, 478, 1949, 3898, 5497, 10994, 44827, 89654, 465811, 931622, 10713653, 21427306]

約数ペア:

[(1, 21427306), (2, 10713653), (23, 931622), (46, 465811), (239, 89654), (478, 44827), (1949, 10994), (3898, 5497)]