21291963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{92173}}^1$

素因数の和:92194

約数の個数: 16

約数和(自身を含む): 35394816

約数和(自身を除く): 14102853

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 92173, 276519, 645211, 1013903, 1935633, 3041709, 7097321, 21291963]

約数ペア:

[(1, 21291963), (3, 7097321), (7, 3041709), (11, 1935633), (21, 1013903), (33, 645211), (77, 276519), (231, 92173)]