21222635

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 30979728

約数和(自身を除く): 9757093

約数列:

[1, 5, 7, 29, 35, 49, 103, 145, 203, 245, 515, 721, 841, 1015, 1421, 2987, 3605, 4205, 5047, 5887, 7105, 14935, 20909, 25235, 29435, 41209, 86623, 104545, 146363, 206045, 433115, 606361, 731815, 3031805, 4244527, 21222635]

約数ペア:

[(1, 21222635), (5, 4244527), (7, 3031805), (29, 731815), (35, 606361), (49, 433115), (103, 206045), (145, 146363), (203, 104545), (245, 86623), (515, 41209), (721, 29435), (841, 25235), (1015, 20909), (1421, 14935), (2987, 7105), (3605, 5887), (4205, 5047)]