21192506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8779}}^1$

素因数の和:8869

約数の個数: 16

約数和(自身を含む): 34136640

約数和(自身を除く): 12944134

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8779, 17558, 149243, 298486, 623309, 1246618, 10596253, 21192506]

約数ペア:

[(1, 21192506), (2, 10596253), (17, 1246618), (34, 623309), (71, 298486), (142, 149243), (1207, 17558), (2414, 8779)]