21061545

素因数分解:

$3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2003}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 33763392

約数和(自身を除く): 12701847

約数列:

[1, 3, 5, 15, 701, 2003, 2103, 3505, 6009, 10015, 10515, 30045, 1404103, 4212309, 7020515, 21061545]

約数ペア:

[(1, 21061545), (3, 7020515), (5, 4212309), (15, 1404103), (701, 30045), (2003, 10515), (2103, 10015), (3505, 6009)]