21727298

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13297}}^1$

素因数の和:13361

約数の個数: 16

約数和(自身を含む): 35106720

約数和(自身を除く): 13379422

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13297, 26594, 252643, 505286, 571771, 1143542, 10863649, 21727298]

約数ペア:

[(1, 21727298), (2, 10863649), (19, 1143542), (38, 571771), (43, 505286), (86, 252643), (817, 26594), (1634, 13297)]