21822003

素因数分解:

$3^2\times 7^3\times {\mathrm{7069}}^1$

素因数の和:7096

約数の個数: 24

約数和(自身を含む): 36764000

約数和(自身を除く): 14941997

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 7069, 21207, 49483, 63621, 148449, 346381, 445347, 1039143, 2424667, 3117429, 7274001, 21822003]

約数ペア:

[(1, 21822003), (3, 7274001), (7, 3117429), (9, 2424667), (21, 1039143), (49, 445347), (63, 346381), (147, 148449), (343, 63621), (441, 49483), (1029, 21207), (3087, 7069)]