21227682

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 49937472

約数和(自身を除く): 28709790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 618, 701, 721, 1402, 1442, 2103, 2163, 4206, 4326, 4907, 5047, 9814, 10094, 14721, 15141, 29442, 30282, 34349, 68698, 72203, 103047, 144406, 206094, 216609, 433218, 505421, 1010842, 1516263, 3032526, 3537947, 7075894, 10613841, 21227682]

約数ペア:

[(1, 21227682), (2, 10613841), (3, 7075894), (6, 3537947), (7, 3032526), (14, 1516263), (21, 1010842), (42, 505421), (49, 433218), (98, 216609), (103, 206094), (147, 144406), (206, 103047), (294, 72203), (309, 68698), (618, 34349), (701, 30282), (721, 29442), (1402, 15141), (1442, 14721), (2103, 10094), (2163, 9814), (4206, 5047), (4326, 4907)]