21238063

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9511}}^1$

素因数の和:9558

約数の個数: 16

約数和(自身を含む): 27394560

約数和(自身を除く): 6156497

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9511, 66577, 104621, 275819, 732347, 1930733, 3034009, 21238063]

約数ペア:

[(1, 21238063), (7, 3034009), (11, 1930733), (29, 732347), (77, 275819), (203, 104621), (319, 66577), (2233, 9511)]