21352020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355867}}^1$

素因数の和:355879

約数の個数: 24

約数和(自身を含む): 59785824

約数和(自身を除く): 38433804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355867, 711734, 1067601, 1423468, 1779335, 2135202, 3558670, 4270404, 5338005, 7117340, 10676010, 21352020]

約数ペア:

[(1, 21352020), (2, 10676010), (3, 7117340), (4, 5338005), (5, 4270404), (6, 3558670), (10, 2135202), (12, 1779335), (15, 1423468), (20, 1067601), (30, 711734), (60, 355867)]