21137443

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3192797

約数列:

[1, 17, 19, 31, 323, 527, 589, 2111, 10013, 35887, 40109, 65441, 681853, 1112497, 1243379, 21137443]

約数ペア:

[(1, 21137443), (17, 1243379), (19, 1112497), (31, 681853), (323, 65441), (527, 40109), (589, 35887), (2111, 10013)]