21026973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15541}}^1$

素因数の和:15596

約数の個数: 16

約数和(自身を含む): 31332672

約数和(自身を除く): 10305699

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15541, 46623, 170951, 512853, 637181, 1911543, 7008991, 21026973]

約数ペア:

[(1, 21026973), (3, 7008991), (11, 1911543), (33, 637181), (41, 512853), (123, 170951), (451, 46623), (1353, 15541)]