21424139

素因数分解:

${\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{3001}}^1$

素因数の和:3082

約数の個数: 12

約数和(自身を含む): 23955960

約数和(自身を除く): 2531821

約数列:

[1, 11, 59, 121, 649, 3001, 7139, 33011, 177059, 363121, 1947649, 21424139]

約数ペア:

[(1, 21424139), (11, 1947649), (59, 363121), (121, 177059), (649, 33011), (3001, 7139)]