21847881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 32324320

約数和(自身を除く): 10476439

約数列:

[1, 3, 11, 33, 121, 139, 363, 417, 433, 1299, 1529, 4587, 4763, 14289, 16819, 50457, 52393, 60187, 157179, 180561, 662057, 1986171, 7282627, 21847881]

約数ペア:

[(1, 21847881), (3, 7282627), (11, 1986171), (33, 662057), (121, 180561), (139, 157179), (363, 60187), (417, 52393), (433, 50457), (1299, 16819), (1529, 14289), (4587, 4763)]