21288227

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 2366173

約数列:

[1, 19, 31, 47, 589, 769, 893, 1457, 14611, 23839, 27683, 36143, 452941, 686717, 1120433, 21288227]

約数ペア:

[(1, 21288227), (19, 1120433), (31, 686717), (47, 452941), (589, 36143), (769, 27683), (893, 23839), (1457, 14611)]