21044848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 44930160

約数和(自身を除く): 23885312

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1097, 1199, 1744, 2194, 2398, 4388, 4796, 8776, 9592, 12067, 17552, 19184, 24134, 48268, 96536, 119573, 193072, 239146, 478292, 956584, 1315303, 1913168, 2630606, 5261212, 10522424, 21044848]

約数ペア:

[(1, 21044848), (2, 10522424), (4, 5261212), (8, 2630606), (11, 1913168), (16, 1315303), (22, 956584), (44, 478292), (88, 239146), (109, 193072), (176, 119573), (218, 96536), (436, 48268), (872, 24134), (1097, 19184), (1199, 17552), (1744, 12067), (2194, 9592), (2398, 8776), (4388, 4796)]