21443906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{347}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 35867664

約数和(自身を除く): 14423758

約数列:

[1, 2, 11, 22, 53, 106, 347, 583, 694, 1166, 2809, 3817, 5618, 7634, 18391, 30899, 36782, 61798, 202301, 404602, 974723, 1949446, 10721953, 21443906]

約数ペア:

[(1, 21443906), (2, 10721953), (11, 1949446), (22, 974723), (53, 404602), (106, 202301), (347, 61798), (583, 36782), (694, 30899), (1166, 18391), (2809, 7634), (3817, 5618)]