21040635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18217}}^1$

素因数の和:18243

約数の個数: 32

約数和(自身を含む): 41974272

約数和(自身を除く): 20933637

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18217, 54651, 91085, 127519, 200387, 273255, 382557, 601161, 637595, 1001935, 1402709, 1912785, 3005805, 4208127, 7013545, 21040635]

約数ペア:

[(1, 21040635), (3, 7013545), (5, 4208127), (7, 3005805), (11, 1912785), (15, 1402709), (21, 1001935), (33, 637595), (35, 601161), (55, 382557), (77, 273255), (105, 200387), (165, 127519), (231, 91085), (385, 54651), (1155, 18217)]