21346011

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8501}}^1$

素因数の和:8544

約数の個数: 20

約数和(自身を含む): 32919744

約数和(自身を除く): 11573733

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8501, 25503, 76509, 229527, 263531, 688581, 790593, 2371779, 7115337, 21346011]

約数ペア:

[(1, 21346011), (3, 7115337), (9, 2371779), (27, 790593), (31, 688581), (81, 263531), (93, 229527), (279, 76509), (837, 25503), (2511, 8501)]