21062561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 23802240

約数和(自身を除く): 2739679

約数列:

[1, 13, 41, 43, 533, 559, 919, 1763, 11947, 22919, 37679, 39517, 489827, 513721, 1620197, 21062561]

約数ペア:

[(1, 21062561), (13, 1620197), (41, 513721), (43, 489827), (533, 39517), (559, 37679), (919, 22919), (1763, 11947)]