21616441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 27168768

約数和(自身を除く): 5552327

約数列:

[1, 7, 11, 77, 131, 917, 1441, 2143, 10087, 15001, 23573, 165011, 280733, 1965131, 3088063, 21616441]

約数ペア:

[(1, 21616441), (7, 3088063), (11, 1965131), (77, 280733), (131, 165011), (917, 23573), (1441, 15001), (2143, 10087)]