2021069435

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1889}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 3087110880

約数和(自身を除く): 1066041445

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 397, 539, 1889, 1985, 2695, 2779, 4367, 9445, 13223, 13895, 19453, 20779, 21835, 30569, 66115, 92561, 97265, 103895, 145453, 152845, 213983, 462805, 727265, 749933, 1018171, 1069915, 3749665, 5090855, 5249531, 8249263, 26247655, 36746717, 41246315, 57744841, 183733585, 288724205, 404213887, 2021069435]

約数ペア:

[(1, 2021069435), (5, 404213887), (7, 288724205), (11, 183733585), (35, 57744841), (49, 41246315), (55, 36746717), (77, 26247655), (245, 8249263), (385, 5249531), (397, 5090855), (539, 3749665), (1889, 1069915), (1985, 1018171), (2695, 749933), (2779, 727265), (4367, 462805), (9445, 213983), (13223, 152845), (13895, 145453), (19453, 103895), (20779, 97265), (21835, 92561), (30569, 66115)]