21546707

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2441}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 26803392

約数和(自身を除く): 5256685

約数列:

[1, 7, 13, 91, 97, 679, 1261, 2441, 8827, 17087, 31733, 222131, 236777, 1657439, 3078101, 21546707]

約数ペア:

[(1, 21546707), (7, 3078101), (13, 1657439), (91, 236777), (97, 222131), (679, 31733), (1261, 17087), (2441, 8827)]