21530025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8699}}^1$

素因数の和:8726

約数の個数: 36

約数和(自身を含む): 42073200

約数和(自身を除く): 20543175

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8699, 26097, 43495, 78291, 95689, 130485, 217475, 287067, 391455, 478445, 652425, 861201, 1435335, 1957275, 2392225, 4306005, 7176675, 21530025]

約数ペア:

[(1, 21530025), (3, 7176675), (5, 4306005), (9, 2392225), (11, 1957275), (15, 1435335), (25, 861201), (33, 652425), (45, 478445), (55, 391455), (75, 287067), (99, 217475), (165, 130485), (225, 95689), (275, 78291), (495, 43495), (825, 26097), (2475, 8699)]