21891644830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1\times {\mathrm{187573}}^1$

素因数の和:188652

約数の個数: 32

約数和(自身を含む): 43027975008

約数和(自身を除く): 21136330178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1061, 2122, 5305, 10610, 11671, 23342, 58355, 116710, 187573, 375146, 937865, 1875730, 2063303, 4126606, 10316515, 20633030, 199014953, 398029906, 995074765, 1990149530, 2189164483, 4378328966, 10945822415, 21891644830]

約数ペア:

[(1, 21891644830), (2, 10945822415), (5, 4378328966), (10, 2189164483), (11, 1990149530), (22, 995074765), (55, 398029906), (110, 199014953), (1061, 20633030), (2122, 10316515), (5305, 4126606), (10610, 2063303), (11671, 1875730), (23342, 937865), (58355, 375146), (116710, 187573)]