21181762

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 39104640

約数和(自身を除く): 17922878

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1459, 2074, 2918, 7259, 10213, 14518, 20426, 24803, 49606, 88999, 173621, 177998, 347242, 622993, 1245986, 1512983, 3025966, 10590881, 21181762]

約数ペア:

[(1, 21181762), (2, 10590881), (7, 3025966), (14, 1512983), (17, 1245986), (34, 622993), (61, 347242), (119, 177998), (122, 173621), (238, 88999), (427, 49606), (854, 24803), (1037, 20426), (1459, 14518), (2074, 10213), (2918, 7259)]