21855801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{911}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 31868928

約数和(自身を除く): 10013127

約数列:

[1, 3, 11, 33, 727, 911, 2181, 2733, 7997, 10021, 23991, 30063, 662297, 1986891, 7285267, 21855801]

約数ペア:

[(1, 21855801), (3, 7285267), (11, 1986891), (33, 662297), (727, 30063), (911, 23991), (2181, 10021), (2733, 7997)]