21162057

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32507}}^1$

素因数の和:32548

約数の個数: 16

約数和(自身を含む): 33288192

約数和(自身を除く): 12126135

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32507, 97521, 227549, 682647, 1007717, 3023151, 7054019, 21162057]

約数ペア:

[(1, 21162057), (3, 7054019), (7, 3023151), (21, 1007717), (31, 682647), (93, 227549), (217, 97521), (651, 32507)]