21806521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 24805440

約数和(自身を除く): 2998919

約数列:

[1, 11, 29, 197, 319, 347, 2167, 3817, 5713, 10063, 62843, 68359, 110693, 751949, 1982411, 21806521]

約数ペア:

[(1, 21806521), (11, 1982411), (29, 751949), (197, 110693), (319, 68359), (347, 62843), (2167, 10063), (3817, 5713)]