21701485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2437}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 28261296

約数和(自身を除く): 6559811

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2437, 8905, 12185, 31681, 158405, 333869, 1669345, 4340297, 21701485]

約数ペア:

[(1, 21701485), (5, 4340297), (13, 1669345), (65, 333869), (137, 158405), (685, 31681), (1781, 12185), (2437, 8905)]