21791191409

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1129}}^1\times {\mathrm{6011}}^1$

素因数の和:7185

約数の個数: 24

約数和(自身を含む): 24864429600

約数和(自身を除く): 3073238191

約数列:

[1, 13, 19, 169, 247, 1129, 3211, 6011, 14677, 21451, 78143, 114209, 190801, 278863, 1015859, 1484717, 3625219, 6786419, 19301321, 88223447, 128941961, 1146904811, 1676245493, 21791191409]

約数ペア:

[(1, 21791191409), (13, 1676245493), (19, 1146904811), (169, 128941961), (247, 88223447), (1129, 19301321), (3211, 6786419), (6011, 3625219), (14677, 1484717), (21451, 1015859), (78143, 278863), (114209, 190801)]