21257103

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32653}}^1$

素因数の和:32694

約数の個数: 16

約数和(自身を含む): 33437696

約数和(自身を除く): 12180593

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32653, 97959, 228571, 685713, 1012243, 3036729, 7085701, 21257103]

約数ペア:

[(1, 21257103), (3, 7085701), (7, 3036729), (21, 1012243), (31, 685713), (93, 228571), (217, 97959), (651, 32653)]