21622881

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9623}}^1$

素因数の和:9740

約数の個数: 16

約数和(自身を含む): 33260544

約数和(自身を除く): 11637663

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9623, 28869, 67361, 202083, 1029661, 3088983, 7207627, 21622881]

約数ペア:

[(1, 21622881), (3, 7207627), (7, 3088983), (21, 1029661), (107, 202083), (321, 67361), (749, 28869), (2247, 9623)]