21899262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 33341442

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 107, 154, 214, 231, 321, 443, 462, 642, 749, 886, 1177, 1329, 1498, 2247, 2354, 2658, 3101, 3531, 4494, 4873, 6202, 7062, 8239, 9303, 9746, 14619, 16478, 18606, 24717, 29238, 34111, 47401, 49434, 68222, 94802, 102333, 142203, 204666, 284406, 331807, 521411, 663614, 995421, 1042822, 1564233, 1990842, 3128466, 3649877, 7299754, 10949631, 21899262]

約数ペア:

[(1, 21899262), (2, 10949631), (3, 7299754), (6, 3649877), (7, 3128466), (11, 1990842), (14, 1564233), (21, 1042822), (22, 995421), (33, 663614), (42, 521411), (66, 331807), (77, 284406), (107, 204666), (154, 142203), (214, 102333), (231, 94802), (321, 68222), (443, 49434), (462, 47401), (642, 34111), (749, 29238), (886, 24717), (1177, 18606), (1329, 16478), (1498, 14619), (2247, 9746), (2354, 9303), (2658, 8239), (3101, 7062), (3531, 6202), (4494, 4873)]