21427723

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 1612277

約数列:

[1, 29, 47, 79, 199, 1363, 2291, 3713, 5771, 9353, 15721, 107677, 271237, 455909, 738887, 21427723]

約数ペア:

[(1, 21427723), (29, 738887), (47, 455909), (79, 271237), (199, 107677), (1363, 15721), (2291, 9353), (3713, 5771)]