21226183

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{607}}^1$

素因数の和:663

約数の個数: 18

約数和(自身を含む): 24825248

約数和(自身を除く): 3599065

約数列:

[1, 11, 17, 121, 187, 289, 607, 2057, 3179, 6677, 10319, 34969, 73447, 113509, 175423, 1248599, 1929653, 21226183]

約数ペア:

[(1, 21226183), (11, 1929653), (17, 1248599), (121, 175423), (187, 113509), (289, 73447), (607, 34969), (2057, 10319), (3179, 6677)]