21167791887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15645079}}^1$

素因数の和:15645134

約数の個数: 16

約数和(自身を含む): 31540481280

約数和(自身を除く): 10372689393

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15645079, 46935237, 172095869, 516287607, 641448239, 1924344717, 7055930629, 21167791887]

約数ペア:

[(1, 21167791887), (3, 7055930629), (11, 1924344717), (33, 641448239), (41, 516287607), (123, 172095869), (451, 46935237), (1353, 15645079)]