21551206

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 36603360

約数和(自身を除く): 15052154

約数列:

[1, 2, 17, 19, 34, 38, 73, 146, 323, 457, 646, 914, 1241, 1387, 2482, 2774, 7769, 8683, 15538, 17366, 23579, 33361, 47158, 66722, 147611, 295222, 567137, 633859, 1134274, 1267718, 10775603, 21551206]

約数ペア:

[(1, 21551206), (2, 10775603), (17, 1267718), (19, 1134274), (34, 633859), (38, 567137), (73, 295222), (146, 147611), (323, 66722), (457, 47158), (646, 33361), (914, 23579), (1241, 17366), (1387, 15538), (2482, 8683), (2774, 7769)]