21447613

素因数分解:

${\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1308

約数の個数: 12

約数和(自身を含む): 23745820

約数和(自身を除く): 2298207

約数列:

[1, 11, 121, 157, 1129, 1727, 12419, 18997, 136609, 177253, 1949783, 21447613]

約数ペア:

[(1, 21447613), (11, 1949783), (121, 177253), (157, 136609), (1129, 18997), (1727, 12419)]