21752804095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1\times {\mathrm{3863}}^1$

素因数の和:6303

約数の個数: 32

約数和(自身を含む): 29158424064

約数和(自身を除く): 7405619969

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 2381, 3863, 11905, 19315, 26191, 42493, 102383, 130955, 166109, 212465, 511915, 830545, 1126213, 1827199, 5631065, 9135995, 9197803, 45989015, 101175833, 395505529, 505879165, 1977527645, 4350560819, 21752804095]

約数ペア:

[(1, 21752804095), (5, 4350560819), (11, 1977527645), (43, 505879165), (55, 395505529), (215, 101175833), (473, 45989015), (2365, 9197803), (2381, 9135995), (3863, 5631065), (11905, 1827199), (19315, 1126213), (26191, 830545), (42493, 511915), (102383, 212465), (130955, 166109)]