21971697

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7481}}^1$

素因数の和:7584

約数の個数: 16

約数和(自身を含む): 32322240

約数和(自身を除く): 10350543

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7481, 22443, 82291, 246873, 665809, 1997427, 7323899, 21971697]

約数ペア:

[(1, 21971697), (3, 7323899), (11, 1997427), (33, 665809), (89, 246873), (267, 82291), (979, 22443), (2937, 7481)]