21689697

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9281}}^1$

素因数の和:9344

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 9497823

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9281, 27843, 176339, 380521, 529017, 1141563, 7229899, 21689697]

約数ペア:

[(1, 21689697), (3, 7229899), (19, 1141563), (41, 529017), (57, 380521), (123, 176339), (779, 27843), (2337, 9281)]