21635471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8006

約数の個数: 16

約数和(自身を含む): 26759040

約数和(自身を除く): 5123569

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7963, 87593, 103519, 151297, 1138709, 1664267, 1966861, 21635471]

約数ペア:

[(1, 21635471), (11, 1966861), (13, 1664267), (19, 1138709), (143, 151297), (209, 103519), (247, 87593), (2717, 7963)]