21713686

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 33156000

約数和(自身を除く): 11442314

約数列:

[1, 2, 89, 178, 199, 398, 613, 1226, 17711, 35422, 54557, 109114, 121987, 243974, 10856843, 21713686]

約数ペア:

[(1, 21713686), (2, 10856843), (89, 243974), (178, 121987), (199, 109114), (398, 54557), (613, 35422), (1226, 17711)]