21725643

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1361}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 30792096

約数和(自身を除く): 9066453

約数列:

[1, 3, 17, 51, 313, 939, 1361, 4083, 5321, 15963, 23137, 69411, 425993, 1277979, 7241881, 21725643]

約数ペア:

[(1, 21725643), (3, 7241881), (17, 1277979), (51, 425993), (313, 69411), (939, 23137), (1361, 15963), (4083, 5321)]