21559142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 37200384

約数和(自身を除く): 15641242

約数列:

[1, 2, 11, 22, 23, 46, 137, 253, 274, 311, 506, 622, 1507, 3014, 3151, 3421, 6302, 6842, 7153, 14306, 34661, 42607, 69322, 78683, 85214, 157366, 468677, 937354, 979961, 1959922, 10779571, 21559142]

約数ペア:

[(1, 21559142), (2, 10779571), (11, 1959922), (22, 979961), (23, 937354), (46, 468677), (137, 157366), (253, 85214), (274, 78683), (311, 69322), (506, 42607), (622, 34661), (1507, 14306), (3014, 7153), (3151, 6842), (3421, 6302)]