21069104

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8179}}^1$

素因数の和:8217

約数の個数: 40

約数和(自身を含む): 48687360

約数和(自身を除く): 27618256

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8179, 16358, 32716, 57253, 65432, 114506, 130864, 188117, 229012, 376234, 458024, 752468, 916048, 1316819, 1504936, 2633638, 3009872, 5267276, 10534552, 21069104]

約数ペア:

[(1, 21069104), (2, 10534552), (4, 5267276), (7, 3009872), (8, 2633638), (14, 1504936), (16, 1316819), (23, 916048), (28, 752468), (46, 458024), (56, 376234), (92, 229012), (112, 188117), (161, 130864), (184, 114506), (322, 65432), (368, 57253), (644, 32716), (1288, 16358), (2576, 8179)]