21361401

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{5171}}^1$

素因数の和:5203

約数の個数: 24

約数和(自身を含む): 33886944

約数和(自身を除く): 12525543

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 5171, 15513, 46539, 87907, 139617, 263721, 418851, 791163, 1256553, 2373489, 7120467, 21361401]

約数ペア:

[(1, 21361401), (3, 7120467), (9, 2373489), (17, 1256553), (27, 791163), (51, 418851), (81, 263721), (153, 139617), (243, 87907), (459, 46539), (1377, 15513), (4131, 5171)]