21179873

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 25561536

約数和(自身を除く): 4381663

約数列:

[1, 11, 13, 37, 143, 407, 481, 4003, 5291, 44033, 52039, 148111, 572429, 1629221, 1925443, 21179873]

約数ペア:

[(1, 21179873), (11, 1925443), (13, 1629221), (37, 572429), (143, 148111), (407, 52039), (481, 44033), (4003, 5291)]