21449968127

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1\times {\mathrm{41257}}^1$

素因数の和:41555

約数の個数: 24

約数和(自身を含む): 26143049184

約数和(自身を除く): 4693081057

約数列:

[1, 7, 17, 119, 257, 289, 1799, 2023, 4369, 30583, 41257, 74273, 288799, 519911, 701369, 4909583, 10603049, 11923273, 74221343, 83462911, 180251833, 1261762831, 3064281161, 21449968127]

約数ペア:

[(1, 21449968127), (7, 3064281161), (17, 1261762831), (119, 180251833), (257, 83462911), (289, 74221343), (1799, 11923273), (2023, 10603049), (4369, 4909583), (30583, 701369), (41257, 519911), (74273, 288799)]