21800337

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7873}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 31747968

約数和(自身を除く): 9947631

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7873, 23619, 102349, 307047, 558983, 1676949, 7266779, 21800337]

約数ペア:

[(1, 21800337), (3, 7266779), (13, 1676949), (39, 558983), (71, 307047), (213, 102349), (923, 23619), (2769, 7873)]