21205398

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{11149}}^1$

素因数の和:11471

約数の個数: 16

約数和(自身を含む): 42548400

約数和(自身を除く): 21343002

約数列:

[1, 2, 3, 6, 317, 634, 951, 1902, 11149, 22298, 33447, 66894, 3534233, 7068466, 10602699, 21205398]

約数ペア:

[(1, 21205398), (2, 10602699), (3, 7068466), (6, 3534233), (317, 66894), (634, 33447), (951, 22298), (1902, 11149)]