21263781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{92051}}^1$

素因数の和:92072

約数の個数: 16

約数和(自身を含む): 35347968

約数和(自身を除く): 14084187

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 92051, 276153, 644357, 1012561, 1933071, 3037683, 7087927, 21263781]

約数ペア:

[(1, 21263781), (3, 7087927), (7, 3037683), (11, 1933071), (21, 1012561), (33, 644357), (77, 276153), (231, 92051)]