21747187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9739}}^1$

素因数の和:9786

約数の個数: 16

約数和(自身を含む): 28051200

約数和(自身を除く): 6304013

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9739, 68173, 107129, 282431, 749903, 1977017, 3106741, 21747187]

約数ペア:

[(1, 21747187), (7, 3106741), (11, 1977017), (29, 749903), (77, 282431), (203, 107129), (319, 68173), (2233, 9739)]