21836451

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79987}}^1$

素因数の和:80010

約数の個数: 16

約数和(自身を含む): 35834624

約数和(自身を除く): 13998173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79987, 239961, 559909, 1039831, 1679727, 3119493, 7278817, 21836451]

約数ペア:

[(1, 21836451), (3, 7278817), (7, 3119493), (13, 1679727), (21, 1039831), (39, 559909), (91, 239961), (273, 79987)]