2021168990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1\times {\mathrm{4397}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 3727041120

約数和(自身を除く): 1705872130

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1069, 2138, 4397, 5345, 8794, 10690, 21985, 43970, 45967, 91934, 189071, 229835, 378142, 459670, 945355, 1890710, 4700393, 9400786, 23501965, 47003930, 202116899, 404233798, 1010584495, 2021168990]

約数ペア:

[(1, 2021168990), (2, 1010584495), (5, 404233798), (10, 202116899), (43, 47003930), (86, 23501965), (215, 9400786), (430, 4700393), (1069, 1890710), (2138, 945355), (4397, 459670), (5345, 378142), (8794, 229835), (10690, 189071), (21985, 91934), (43970, 45967)]