21365311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1873}}^1$

素因数の和:1962

約数の個数: 16

約数和(自身を含む): 25096608

約数和(自身を除く): 3731297

約数列:

[1, 11, 17, 61, 187, 671, 1037, 1873, 11407, 20603, 31841, 114253, 350251, 1256783, 1942301, 21365311]

約数ペア:

[(1, 21365311), (11, 1942301), (17, 1256783), (61, 350251), (187, 114253), (671, 31841), (1037, 20603), (1873, 11407)]