21371569379

素因数分解:

${\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{19973}}^1$

素因数の和:20474

約数の個数: 16

約数和(自身を含む): 22690464000

約数和(自身を除く): 1318894621

約数列:

[1, 19, 199, 283, 3781, 5377, 19973, 56317, 379487, 1070023, 3974627, 5652359, 75517913, 107394821, 1124819441, 21371569379]

約数ペア:

[(1, 21371569379), (19, 1124819441), (199, 107394821), (283, 75517913), (3781, 5652359), (5377, 3974627), (19973, 1070023), (56317, 379487)]