21032608437

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{407917}}^1$

素因数の和:408277

約数の個数: 24

約数和(自身を含む): 32263050456

約数和(自身を除く): 11230442019

約数列:

[1, 3, 9, 17, 51, 153, 337, 1011, 3033, 5729, 17187, 51561, 407917, 1223751, 3671253, 6934589, 20803767, 62411301, 137468029, 412404087, 1237212261, 2336956493, 7010869479, 21032608437]

約数ペア:

[(1, 21032608437), (3, 7010869479), (9, 2336956493), (17, 1237212261), (51, 412404087), (153, 137468029), (337, 62411301), (1011, 20803767), (3033, 6934589), (5729, 3671253), (17187, 1223751), (51561, 407917)]