21404306

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6043}}^1$

素因数の和:6086

約数の個数: 32

約数和(自身を含む): 41776128

約数和(自身を除く): 20371822

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6043, 12086, 42301, 66473, 84602, 132946, 138989, 277978, 465311, 930622, 972923, 1528879, 1945846, 3057758, 10702153, 21404306]

約数ペア:

[(1, 21404306), (2, 10702153), (7, 3057758), (11, 1945846), (14, 1528879), (22, 972923), (23, 930622), (46, 465311), (77, 277978), (154, 138989), (161, 132946), (253, 84602), (322, 66473), (506, 42301), (1771, 12086), (3542, 6043)]