21364048

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12479}}^1$

素因数の和:12594

約数の個数: 20

約数和(自身を含む): 41783040

約数和(自身を除く): 20418992

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12479, 24958, 49916, 99832, 199664, 1335253, 2670506, 5341012, 10682024, 21364048]

約数ペア:

[(1, 21364048), (2, 10682024), (4, 5341012), (8, 2670506), (16, 1335253), (107, 199664), (214, 99832), (428, 49916), (856, 24958), (1712, 12479)]