21415427

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 4439773

約数列:

[1, 11, 17, 29, 121, 187, 319, 359, 493, 2057, 3509, 3949, 5423, 6103, 10411, 43439, 59653, 67133, 114521, 176987, 738463, 1259731, 1946857, 21415427]

約数ペア:

[(1, 21415427), (11, 1946857), (17, 1259731), (29, 738463), (121, 176987), (187, 114521), (319, 67133), (359, 59653), (493, 43439), (2057, 10411), (3509, 6103), (3949, 5423)]