21263445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22501}}^1$

素因数の和:22522

約数の個数: 32

約数和(自身を含む): 43203840

約数和(自身を除く): 21940395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22501, 67503, 112505, 157507, 202509, 337515, 472521, 607527, 787535, 1012545, 1417563, 2362605, 3037635, 4252689, 7087815, 21263445]

約数ペア:

[(1, 21263445), (3, 7087815), (5, 4252689), (7, 3037635), (9, 2362605), (15, 1417563), (21, 1012545), (27, 787535), (35, 607527), (45, 472521), (63, 337515), (105, 202509), (135, 157507), (189, 112505), (315, 67503), (945, 22501)]