21635847

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 32907264

約数和(自身を除く): 11271417

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 823, 1143, 2469, 2921, 7407, 8763, 18929, 26289, 56787, 104521, 170361, 313563, 940689, 2403983, 7211949, 21635847]

約数ペア:

[(1, 21635847), (3, 7211949), (9, 2403983), (23, 940689), (69, 313563), (127, 170361), (207, 104521), (381, 56787), (823, 26289), (1143, 18929), (2469, 8763), (2921, 7407)]