21226516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 39594240

約数和(自身を除く): 18367724

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4909, 9818, 19636, 112907, 225814, 230723, 451628, 461446, 922892, 5306629, 10613258, 21226516]

約数ペア:

[(1, 21226516), (2, 10613258), (4, 5306629), (23, 922892), (46, 461446), (47, 451628), (92, 230723), (94, 225814), (188, 112907), (1081, 19636), (2162, 9818), (4324, 4909)]