21286669

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 24148800

約数和(自身を除く): 2862131

約数列:

[1, 17, 19, 59, 323, 1003, 1117, 1121, 18989, 19057, 21223, 65903, 360791, 1120351, 1252157, 21286669]

約数ペア:

[(1, 21286669), (17, 1252157), (19, 1120351), (59, 360791), (323, 65903), (1003, 21223), (1117, 19057), (1121, 18989)]