21314721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 8628063

約数列:

[1, 3, 23, 69, 107, 321, 2461, 2887, 7383, 8661, 66401, 199203, 308909, 926727, 7104907, 21314721]

約数ペア:

[(1, 21314721), (3, 7104907), (23, 926727), (69, 308909), (107, 199203), (321, 66401), (2461, 8661), (2887, 7383)]