21039702772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{46747}}^1$

素因数の和:47008

約数の個数: 48

約数和(自身を含む): 41137492032

約数和(自身を除く): 20097789260

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 193, 212, 386, 583, 772, 1166, 2123, 2332, 4246, 8492, 10229, 20458, 40916, 46747, 93494, 112519, 186988, 225038, 450076, 514217, 1028434, 2056868, 2477591, 4955182, 9022171, 9910364, 18044342, 27253501, 36088684, 54507002, 99243881, 109014004, 198487762, 396975524, 478175063, 956350126, 1912700252, 5259925693, 10519851386, 21039702772]

約数ペア:

[(1, 21039702772), (2, 10519851386), (4, 5259925693), (11, 1912700252), (22, 956350126), (44, 478175063), (53, 396975524), (106, 198487762), (193, 109014004), (212, 99243881), (386, 54507002), (583, 36088684), (772, 27253501), (1166, 18044342), (2123, 9910364), (2332, 9022171), (4246, 4955182), (8492, 2477591), (10229, 2056868), (20458, 1028434), (40916, 514217), (46747, 450076), (93494, 225038), (112519, 186988)]