21000388609

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{2081}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 23684832000

約数和(自身を除く): 2684443391

約数列:

[1, 17, 19, 157, 199, 323, 2081, 2669, 2983, 3383, 3781, 31243, 35377, 39539, 50711, 64277, 326717, 414119, 531131, 593617, 672163, 5554189, 6207623, 7040023, 7868261, 10091489, 65016683, 105529591, 133760437, 1105283611, 1235316977, 21000388609]

約数ペア:

[(1, 21000388609), (17, 1235316977), (19, 1105283611), (157, 133760437), (199, 105529591), (323, 65016683), (2081, 10091489), (2669, 7868261), (2983, 7040023), (3383, 6207623), (3781, 5554189), (31243, 672163), (35377, 593617), (39539, 531131), (50711, 414119), (64277, 326717)]