21050766

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11813}}^1$

素因数の和:11838

約数の個数: 40

約数和(自身を含む): 51461784

約数和(自身を除く): 30411018

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11813, 23626, 35439, 70878, 106317, 129943, 212634, 259886, 318951, 389829, 637902, 779658, 956853, 1169487, 1913706, 2338974, 3508461, 7016922, 10525383, 21050766]

約数ペア:

[(1, 21050766), (2, 10525383), (3, 7016922), (6, 3508461), (9, 2338974), (11, 1913706), (18, 1169487), (22, 956853), (27, 779658), (33, 637902), (54, 389829), (66, 318951), (81, 259886), (99, 212634), (162, 129943), (198, 106317), (297, 70878), (594, 35439), (891, 23626), (1782, 11813)]