21049207060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7331}}^1\times {\mathrm{20509}}^1$

素因数の和:27856

約数の個数: 48

約数和(自身を含む): 50527451520

約数和(自身を除く): 29478244460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7331, 14662, 20509, 29324, 36655, 41018, 51317, 73310, 82036, 102545, 102634, 143563, 146620, 205090, 205268, 256585, 287126, 410180, 513170, 574252, 717815, 1026340, 1435630, 2871260, 150351479, 300702958, 601405916, 751757395, 1052460353, 1503514790, 2104920706, 3007029580, 4209841412, 5262301765, 10524603530, 21049207060]

約数ペア:

[(1, 21049207060), (2, 10524603530), (4, 5262301765), (5, 4209841412), (7, 3007029580), (10, 2104920706), (14, 1503514790), (20, 1052460353), (28, 751757395), (35, 601405916), (70, 300702958), (140, 150351479), (7331, 2871260), (14662, 1435630), (20509, 1026340), (29324, 717815), (36655, 574252), (41018, 513170), (51317, 410180), (73310, 287126), (82036, 256585), (102545, 205268), (102634, 205090), (143563, 146620)]