21502506

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{33493}}^1$

素因数の和:33605

約数の個数: 16

約数和(自身を含む): 43408224

約数和(自身を除く): 21905718

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 33493, 66986, 100479, 200958, 3583751, 7167502, 10751253, 21502506]

約数ペア:

[(1, 21502506), (2, 10751253), (3, 7167502), (6, 3583751), (107, 200958), (214, 100479), (321, 66986), (642, 33493)]