21220218852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{223757}}^1$

素因数の和:224900

約数の個数: 48

約数和(自身を含む): 56637624960

約数和(自身を除く): 35417406108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1129, 2258, 3387, 4516, 6774, 7903, 13548, 15806, 23709, 31612, 47418, 94836, 223757, 447514, 671271, 895028, 1342542, 1566299, 2685084, 3132598, 4698897, 6265196, 9397794, 18795588, 252621653, 505243306, 757864959, 1010486612, 1515729918, 1768351571, 3031459836, 3536703142, 5305054713, 7073406284, 10610109426, 21220218852]

約数ペア:

[(1, 21220218852), (2, 10610109426), (3, 7073406284), (4, 5305054713), (6, 3536703142), (7, 3031459836), (12, 1768351571), (14, 1515729918), (21, 1010486612), (28, 757864959), (42, 505243306), (84, 252621653), (1129, 18795588), (2258, 9397794), (3387, 6265196), (4516, 4698897), (6774, 3132598), (7903, 2685084), (13548, 1566299), (15806, 1342542), (23709, 895028), (31612, 671271), (47418, 447514), (94836, 223757)]