21401011

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 24278400

約数和(自身を除く): 2877389

約数列:

[1, 17, 19, 59, 323, 1003, 1121, 1123, 19057, 19091, 21337, 66257, 362729, 1126369, 1258883, 21401011]

約数ペア:

[(1, 21401011), (17, 1258883), (19, 1126369), (59, 362729), (323, 66257), (1003, 21337), (1121, 19091), (1123, 19057)]