2021089990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1854211}}^1$

素因数の和:1854327

約数の個数: 16

約数和(自身を含む): 3671339760

約数和(自身を除く): 1650249770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1854211, 3708422, 9271055, 18542110, 202108999, 404217998, 1010544995, 2021089990]

約数ペア:

[(1, 2021089990), (2, 1010544995), (5, 404217998), (10, 202108999), (109, 18542110), (218, 9271055), (545, 3708422), (1090, 1854211)]