21702357

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11321}}^1$

素因数の和:11401

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 10905003

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11321, 33963, 101889, 305667, 803791, 2411373, 7234119, 21702357]

約数ペア:

[(1, 21702357), (3, 7234119), (9, 2411373), (27, 803791), (71, 305667), (213, 101889), (639, 33963), (1917, 11321)]