21930165

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1567}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 16228683

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 1567, 2799, 4665, 4701, 7835, 13995, 14103, 23505, 70515, 487337, 1462011, 2436685, 4386033, 7310055, 21930165]

約数ペア:

[(1, 21930165), (3, 7310055), (5, 4386033), (9, 2436685), (15, 1462011), (45, 487337), (311, 70515), (933, 23505), (1555, 14103), (1567, 13995), (2799, 7835), (4665, 4701)]