21806653

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 24678720

約数和(自身を除く): 2872067

約数列:

[1, 11, 37, 131, 407, 409, 1441, 4499, 4847, 15133, 53317, 53579, 166463, 589369, 1982423, 21806653]

約数ペア:

[(1, 21806653), (11, 1982423), (37, 589369), (131, 166463), (407, 53579), (409, 53317), (1441, 15133), (4499, 4847)]