21077331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37571}}^1$

素因数の和:37602

約数の個数: 16

約数和(自身を含む): 32462208

約数和(自身を除く): 11384877

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37571, 112713, 413281, 638707, 1239843, 1916121, 7025777, 21077331]

約数ペア:

[(1, 21077331), (3, 7025777), (11, 1916121), (17, 1239843), (33, 638707), (51, 413281), (187, 112713), (561, 37571)]