21614565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12109}}^1$

素因数の和:12141

約数の個数: 32

約数和(自身を含む): 41852160

約数和(自身を除く): 20237595

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12109, 36327, 60545, 84763, 181635, 205853, 254289, 423815, 617559, 1029265, 1271445, 1440971, 3087795, 4322913, 7204855, 21614565]

約数ペア:

[(1, 21614565), (3, 7204855), (5, 4322913), (7, 3087795), (15, 1440971), (17, 1271445), (21, 1029265), (35, 617559), (51, 423815), (85, 254289), (105, 205853), (119, 181635), (255, 84763), (357, 60545), (595, 36327), (1785, 12109)]