21314923

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 27316224

約数和(自身を除く): 6001301

約数列:

[1, 7, 17, 37, 47, 103, 119, 259, 329, 629, 721, 799, 1739, 1751, 3811, 4403, 4841, 5593, 12173, 12257, 26677, 29563, 33887, 64787, 82297, 179117, 206941, 453509, 576079, 1253819, 3044989, 21314923]

約数ペア:

[(1, 21314923), (7, 3044989), (17, 1253819), (37, 576079), (47, 453509), (103, 206941), (119, 179117), (259, 82297), (329, 64787), (629, 33887), (721, 29563), (799, 26677), (1739, 12257), (1751, 12173), (3811, 5593), (4403, 4841)]