21094556

素因数分解:

$2^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1229}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 42292320

約数和(自身を除く): 21197764

約数列:

[1, 2, 4, 7, 14, 28, 613, 1226, 1229, 2452, 2458, 4291, 4916, 8582, 8603, 17164, 17206, 34412, 753377, 1506754, 3013508, 5273639, 10547278, 21094556]

約数ペア:

[(1, 21094556), (2, 10547278), (4, 5273639), (7, 3013508), (14, 1506754), (28, 753377), (613, 34412), (1226, 17206), (1229, 17164), (2452, 8603), (2458, 8582), (4291, 4916)]