21351099

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5437}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 37587456

約数和(自身を除く): 16236357

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5437, 16311, 38059, 59807, 92429, 114177, 179421, 277287, 418649, 647003, 1016719, 1255947, 1941009, 3050157, 7117033, 21351099]

約数ペア:

[(1, 21351099), (3, 7117033), (7, 3050157), (11, 1941009), (17, 1255947), (21, 1016719), (33, 647003), (51, 418649), (77, 277287), (119, 179421), (187, 114177), (231, 92429), (357, 59807), (561, 38059), (1309, 16311), (3927, 5437)]