21926218

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 11553782

約数列:

[1, 2, 89, 178, 199, 398, 619, 1238, 17711, 35422, 55091, 110182, 123181, 246362, 10963109, 21926218]

約数ペア:

[(1, 21926218), (2, 10963109), (89, 246362), (178, 123181), (199, 110182), (398, 55091), (619, 35422), (1238, 17711)]