21226924

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 16875476

約数列:

[1, 2, 4, 53, 106, 212, 223, 446, 449, 892, 898, 1796, 11819, 23638, 23797, 47276, 47594, 95188, 100127, 200254, 400508, 5306731, 10613462, 21226924]

約数ペア:

[(1, 21226924), (2, 10613462), (4, 5306731), (53, 400508), (106, 200254), (212, 100127), (223, 95188), (446, 47594), (449, 47276), (892, 23797), (898, 23638), (1796, 11819)]