21728514

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8334

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 26010366

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8287, 16574, 24861, 49722, 157453, 190601, 314906, 381202, 472359, 571803, 944718, 1143606, 3621419, 7242838, 10864257, 21728514]

約数ペア:

[(1, 21728514), (2, 10864257), (3, 7242838), (6, 3621419), (19, 1143606), (23, 944718), (38, 571803), (46, 472359), (57, 381202), (69, 314906), (114, 190601), (138, 157453), (437, 49722), (874, 24861), (1311, 16574), (2622, 8287)]