21804387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38867}}^1$

素因数の和:38898

約数の個数: 16

約数和(自身を含む): 33581952

約数和(自身を除く): 11777565

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38867, 116601, 427537, 660739, 1282611, 1982217, 7268129, 21804387]

約数ペア:

[(1, 21804387), (3, 7268129), (11, 1982217), (17, 1282611), (33, 660739), (51, 427537), (187, 116601), (561, 38867)]