2021696019

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{8069}}^1$

素因数の和:8220

約数の個数: 48

約数和(自身を含む): 3454476480

約数和(自身を除く): 1432780461

約数列:

[1, 3, 7, 9, 21, 41, 63, 97, 123, 287, 291, 369, 679, 861, 873, 2037, 2583, 3977, 6111, 8069, 11931, 24207, 27839, 35793, 56483, 72621, 83517, 169449, 250551, 330829, 508347, 782693, 992487, 2315803, 2348079, 2977461, 5478851, 6947409, 7044237, 16436553, 20842227, 32090413, 49309659, 96271239, 224632891, 288813717, 673898673, 2021696019]

約数ペア:

[(1, 2021696019), (3, 673898673), (7, 288813717), (9, 224632891), (21, 96271239), (41, 49309659), (63, 32090413), (97, 20842227), (123, 16436553), (287, 7044237), (291, 6947409), (369, 5478851), (679, 2977461), (861, 2348079), (873, 2315803), (2037, 992487), (2583, 782693), (3977, 508347), (6111, 330829), (8069, 250551), (11931, 169449), (24207, 83517), (27839, 72621), (35793, 56483)]