21956011

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 27491328

約数和(自身を除く): 5535317

約数列:

[1, 7, 11, 77, 313, 911, 2191, 3443, 6377, 10021, 24101, 70147, 285143, 1996001, 3136573, 21956011]

約数ペア:

[(1, 21956011), (7, 3136573), (11, 1996001), (77, 285143), (313, 70147), (911, 24101), (2191, 10021), (3443, 6377)]