21516

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 55104

約数和(自身を除く): 33588

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 978, 1793, 1956, 3586, 5379, 7172, 10758, 21516]

約数ペア:

[(1, 21516), (2, 10758), (3, 7172), (4, 5379), (6, 3586), (11, 1956), (12, 1793), (22, 978), (33, 652), (44, 489), (66, 326), (132, 163)]