21556983

素因数分解:

$3^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1117}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 32913920

約数和(自身を除く): 11356937

約数列:

[1, 3, 7, 21, 919, 1117, 2757, 3351, 6433, 7819, 19299, 23457, 1026523, 3079569, 7185661, 21556983]

約数ペア:

[(1, 21556983), (3, 7185661), (7, 3079569), (21, 1026523), (919, 23457), (1117, 19299), (2757, 7819), (3351, 6433)]