21051031681

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{236563}}^1$

素因数の和:236712

約数の個数: 16

約数和(自身を含む): 22687433856

約数和(自身を除く): 1636402175

約数列:

[1, 23, 53, 73, 1219, 1679, 3869, 88987, 236563, 5440949, 12537839, 17269099, 288370297, 397189277, 915262247, 21051031681]

約数ペア:

[(1, 21051031681), (23, 915262247), (53, 397189277), (73, 288370297), (1219, 17269099), (1679, 12537839), (3869, 5440949), (88987, 236563)]