21618448510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19833439}}^1$

素因数の和:19833555

約数の個数: 16

約数和(自身を含む): 39270211200

約数和(自身を除く): 17651762690

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19833439, 39666878, 99167195, 198334390, 2161844851, 4323689702, 10809224255, 21618448510]

約数ペア:

[(1, 21618448510), (2, 10809224255), (5, 4323689702), (10, 2161844851), (109, 198334390), (218, 99167195), (545, 39666878), (1090, 19833439)]