21167741907

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{16069}}^1$

素因数の和:16239

約数の個数: 56

約数和(自身を含む): 34426439600

約数和(自身を除く): 13258697693

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 139, 243, 351, 417, 729, 1053, 1251, 1807, 3159, 3753, 5421, 9477, 11259, 16069, 16263, 33777, 48207, 48789, 101331, 144621, 146367, 208897, 433863, 439101, 626691, 1301589, 1317303, 1880073, 2233591, 3904767, 5640219, 6700773, 11714301, 16920657, 20102319, 29036683, 50761971, 60306957, 87110049, 152285913, 180920871, 261330147, 542762613, 783990441, 1628287839, 2351971323, 7055913969, 21167741907]

約数ペア:

[(1, 21167741907), (3, 7055913969), (9, 2351971323), (13, 1628287839), (27, 783990441), (39, 542762613), (81, 261330147), (117, 180920871), (139, 152285913), (243, 87110049), (351, 60306957), (417, 50761971), (729, 29036683), (1053, 20102319), (1251, 16920657), (1807, 11714301), (3159, 6700773), (3753, 5640219), (5421, 3904767), (9477, 2233591), (11259, 1880073), (16069, 1317303), (16263, 1301589), (33777, 626691), (48207, 439101), (48789, 433863), (101331, 208897), (144621, 146367)]