21392239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 24917760

約数和(自身を除く): 3525521

約数列:

[1, 11, 17, 139, 187, 823, 1529, 2363, 9053, 13991, 25993, 114397, 153901, 1258367, 1944749, 21392239]

約数ペア:

[(1, 21392239), (11, 1944749), (17, 1258367), (139, 153901), (187, 114397), (823, 25993), (1529, 13991), (2363, 9053)]