21340198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3119}}^1$

素因数の和:3443

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 13703642

約数列:

[1, 2, 11, 22, 311, 622, 3119, 3421, 6238, 6842, 34309, 68618, 970009, 1940018, 10670099, 21340198]

約数ペア:

[(1, 21340198), (2, 10670099), (11, 1940018), (22, 970009), (311, 68618), (622, 34309), (3119, 6842), (3421, 6238)]