21145710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704857}}^1$

素因数の和:704867

約数の個数: 16

約数和(自身を含む): 50749776

約数和(自身を除く): 29604066

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704857, 1409714, 2114571, 3524285, 4229142, 7048570, 10572855, 21145710]

約数ペア:

[(1, 21145710), (2, 10572855), (3, 7048570), (5, 4229142), (6, 3524285), (10, 2114571), (15, 1409714), (30, 704857)]