2021159665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 3008378880

約数和(自身を除く): 987219215

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 233, 239, 305, 427, 595, 1037, 1165, 1195, 1631, 1673, 2135, 3961, 4063, 5185, 7259, 8155, 8365, 14213, 14579, 19805, 20315, 27727, 28441, 36295, 55687, 71065, 72895, 99491, 102053, 138635, 142205, 241621, 247843, 278435, 389809, 497455, 510265, 946679, 1208105, 1239215, 1691347, 1734901, 1949045, 3396907, 4733395, 6626753, 8456735, 8674505, 16984535, 23778349, 33133765, 57747419, 118891745, 288737095, 404231933, 2021159665]

約数ペア:

[(1, 2021159665), (5, 404231933), (7, 288737095), (17, 118891745), (35, 57747419), (61, 33133765), (85, 23778349), (119, 16984535), (233, 8674505), (239, 8456735), (305, 6626753), (427, 4733395), (595, 3396907), (1037, 1949045), (1165, 1734901), (1195, 1691347), (1631, 1239215), (1673, 1208105), (2135, 946679), (3961, 510265), (4063, 497455), (5185, 389809), (7259, 278435), (8155, 247843), (8365, 241621), (14213, 142205), (14579, 138635), (19805, 102053), (20315, 99491), (27727, 72895), (28441, 71065), (36295, 55687)]