21016842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45491}}^1$

素因数の和:45514

約数の個数: 32

約数和(自身を含む): 52406784

約数和(自身を除く): 31389942

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 45491, 90982, 136473, 272946, 318437, 500401, 636874, 955311, 1000802, 1501203, 1910622, 3002406, 3502807, 7005614, 10508421, 21016842]

約数ペア:

[(1, 21016842), (2, 10508421), (3, 7005614), (6, 3502807), (7, 3002406), (11, 1910622), (14, 1501203), (21, 1000802), (22, 955311), (33, 636874), (42, 500401), (66, 318437), (77, 272946), (154, 136473), (231, 90982), (462, 45491)]