21165177099

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1240559}}^1$

素因数の和:1240631

約数の個数: 24

約数和(自身を含む): 31678940160

約数和(自身を除く): 10513763061

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1551, 5687, 17061, 1240559, 3721677, 13646149, 40938447, 58306273, 150107639, 174918819, 450322917, 641369003, 1924107009, 7055059033, 21165177099]

約数ペア:

[(1, 21165177099), (3, 7055059033), (11, 1924107009), (33, 641369003), (47, 450322917), (121, 174918819), (141, 150107639), (363, 58306273), (517, 40938447), (1551, 13646149), (5687, 3721677), (17061, 1240559)]