21461340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357689}}^1$

素因数の和:357701

約数の個数: 24

約数和(自身を含む): 60091920

約数和(自身を除く): 38630580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357689, 715378, 1073067, 1430756, 1788445, 2146134, 3576890, 4292268, 5365335, 7153780, 10730670, 21461340]

約数ペア:

[(1, 21461340), (2, 10730670), (3, 7153780), (4, 5365335), (5, 4292268), (6, 3576890), (10, 2146134), (12, 1788445), (15, 1430756), (20, 1073067), (30, 715378), (60, 357689)]