21748927

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 1630913

約数列:

[1, 29, 43, 107, 163, 1247, 3103, 4601, 4727, 7009, 17441, 133429, 203261, 505789, 749963, 21748927]

約数ペア:

[(1, 21748927), (29, 749963), (43, 505789), (107, 203261), (163, 133429), (1247, 17441), (3103, 7009), (4601, 4727)]