21007060

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2371}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 44233056

約数和(自身を除く): 23225996

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2371, 4430, 4742, 8860, 9484, 11855, 23710, 47420, 1050353, 2100706, 4201412, 5251765, 10503530, 21007060]

約数ペア:

[(1, 21007060), (2, 10503530), (4, 5251765), (5, 4201412), (10, 2100706), (20, 1050353), (443, 47420), (886, 23710), (1772, 11855), (2215, 9484), (2371, 8860), (4430, 4742)]