21704445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{68903}}^1$

素因数の和:68921

約数の個数: 24

約数和(自身を含む): 42996096

約数和(自身を除く): 21291651

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 68903, 206709, 344515, 482321, 620127, 1033545, 1446963, 2411605, 3100635, 4340889, 7234815, 21704445]

約数ペア:

[(1, 21704445), (3, 7234815), (5, 4340889), (7, 3100635), (9, 2411605), (15, 1446963), (21, 1033545), (35, 620127), (45, 482321), (63, 344515), (105, 206709), (315, 68903)]