21672508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37889}}^1$

素因数の和:37917

約数の個数: 24

約数和(自身を含む): 44558640

約数和(自身を除く): 22886132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37889, 75778, 151556, 416779, 492557, 833558, 985114, 1667116, 1970228, 5418127, 10836254, 21672508]

約数ペア:

[(1, 21672508), (2, 10836254), (4, 5418127), (11, 1970228), (13, 1667116), (22, 985114), (26, 833558), (44, 492557), (52, 416779), (143, 151556), (286, 75778), (572, 37889)]