21965493

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5501}}^1$

素因数の和:5537

約数の個数: 16

約数和(自身を含む): 32219712

約数和(自身を除く): 10254219

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5501, 16503, 60511, 181533, 665621, 1996863, 7321831, 21965493]

約数ペア:

[(1, 21965493), (3, 7321831), (11, 1996863), (33, 665621), (121, 181533), (363, 60511), (1331, 16503), (3993, 5501)]