21828521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13877}}^1$

素因数の和:13912

約数の個数: 12

約数和(自身を含む): 25840836

約数和(自身を除く): 4012315

約数列:

[1, 11, 13, 121, 143, 1573, 13877, 152647, 180401, 1679117, 1984411, 21828521]

約数ペア:

[(1, 21828521), (11, 1984411), (13, 1679117), (121, 180401), (143, 152647), (1573, 13877)]