21561906

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1493}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 45178560

約数和(自身を除く): 23616654

約数列:

[1, 2, 3, 6, 29, 58, 83, 87, 166, 174, 249, 498, 1493, 2407, 2986, 4479, 4814, 7221, 8958, 14442, 43297, 86594, 123919, 129891, 247838, 259782, 371757, 743514, 3593651, 7187302, 10780953, 21561906]

約数ペア:

[(1, 21561906), (2, 10780953), (3, 7187302), (6, 3593651), (29, 743514), (58, 371757), (83, 259782), (87, 247838), (166, 129891), (174, 123919), (249, 86594), (498, 43297), (1493, 14442), (2407, 8958), (2986, 7221), (4479, 4814)]