21527396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16871}}^1$

素因数の和:16915

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 20990044

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16871, 33742, 67484, 185581, 371162, 489259, 742324, 978518, 1957036, 5381849, 10763698, 21527396]

約数ペア:

[(1, 21527396), (2, 10763698), (4, 5381849), (11, 1957036), (22, 978518), (29, 742324), (44, 489259), (58, 371162), (116, 185581), (319, 67484), (638, 33742), (1276, 16871)]