21336531

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{911}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 29388288

約数和(自身を除く): 8051757

約数列:

[1, 3, 37, 111, 211, 633, 911, 2733, 7807, 23421, 33707, 101121, 192221, 576663, 7112177, 21336531]

約数ペア:

[(1, 21336531), (3, 7112177), (37, 576663), (111, 192221), (211, 101121), (633, 33707), (911, 23421), (2733, 7807)]