21114561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31847}}^1$

素因数の和:31880

約数の個数: 16

約数和(自身を含む): 32102784

約数和(自身を除く): 10988223

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31847, 95541, 414011, 541399, 1242033, 1624197, 7038187, 21114561]

約数ペア:

[(1, 21114561), (3, 7038187), (13, 1624197), (17, 1242033), (39, 541399), (51, 414011), (221, 95541), (663, 31847)]