21061510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{56923}}^1$

素因数の和:56967

約数の個数: 16

約数和(自身を含む): 38936016

約数和(自身を除く): 17874506

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 56923, 113846, 284615, 569230, 2106151, 4212302, 10530755, 21061510]

約数ペア:

[(1, 21061510), (2, 10530755), (5, 4212302), (10, 2106151), (37, 569230), (74, 284615), (185, 113846), (370, 56923)]