21827025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8819}}^1$

素因数の和:8846

約数の個数: 36

約数和(自身を含む): 42653520

約数和(自身を除く): 20826495

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8819, 26457, 44095, 79371, 97009, 132285, 220475, 291027, 396855, 485045, 661425, 873081, 1455135, 1984275, 2425225, 4365405, 7275675, 21827025]

約数ペア:

[(1, 21827025), (3, 7275675), (5, 4365405), (9, 2425225), (11, 1984275), (15, 1455135), (25, 873081), (33, 661425), (45, 485045), (55, 396855), (75, 291027), (99, 220475), (165, 132285), (225, 97009), (275, 79371), (495, 44095), (825, 26457), (2475, 8819)]