21964514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 17407966

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1259, 1342, 1586, 2518, 8723, 13849, 16367, 17446, 27698, 32734, 76799, 153598, 180037, 360074, 844789, 998387, 1689578, 1996774, 10982257, 21964514]

約数ペア:

[(1, 21964514), (2, 10982257), (11, 1996774), (13, 1689578), (22, 998387), (26, 844789), (61, 360074), (122, 180037), (143, 153598), (286, 76799), (671, 32734), (793, 27698), (1259, 17446), (1342, 16367), (1586, 13849), (2518, 8723)]