21375304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140627}}^1$

素因数の和:140652

約数の個数: 16

約数和(自身を含む): 42188400

約数和(自身を除く): 20813096

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140627, 281254, 562508, 1125016, 2671913, 5343826, 10687652, 21375304]

約数ペア:

[(1, 21375304), (2, 10687652), (4, 5343826), (8, 2671913), (19, 1125016), (38, 562508), (76, 281254), (152, 140627)]