21789238

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:436

約数の個数: 24

約数和(自身を含む): 34948368

約数和(自身を除く): 13159130

約数列:

[1, 2, 19, 38, 103, 206, 293, 361, 586, 722, 1957, 3914, 5567, 11134, 30179, 37183, 60358, 74366, 105773, 211546, 573401, 1146802, 10894619, 21789238]

約数ペア:

[(1, 21789238), (2, 10894619), (19, 1146802), (38, 573401), (103, 211546), (206, 105773), (293, 74366), (361, 60358), (586, 37183), (722, 30179), (1957, 11134), (3914, 5567)]