21000339347

素因数分解:

${\mathrm{13}}^2\times {\mathrm{1747}}^1\times {\mathrm{71129}}^1$

素因数の和:72902

約数の個数: 12

約数和(自身を含む): 22753348920

約数和(自身を除く): 1753009573

約数列:

[1, 13, 169, 1747, 22711, 71129, 295243, 924677, 12020801, 124262363, 1615410719, 21000339347]

約数ペア:

[(1, 21000339347), (13, 1615410719), (169, 124262363), (1747, 12020801), (22711, 924677), (71129, 295243)]