21459602879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1\times {\mathrm{2081}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 25918401600

約数和(自身を除く): 4458798721

約数列:

[1, 11, 13, 37, 143, 407, 481, 1949, 2081, 5291, 21439, 22891, 25337, 27053, 72113, 76997, 278707, 297583, 793243, 846967, 937469, 1000961, 4055869, 10312159, 11010571, 44614559, 52726297, 150067153, 579989267, 1650738683, 1950872989, 21459602879]

約数ペア:

[(1, 21459602879), (11, 1950872989), (13, 1650738683), (37, 579989267), (143, 150067153), (407, 52726297), (481, 44614559), (1949, 11010571), (2081, 10312159), (5291, 4055869), (21439, 1000961), (22891, 937469), (25337, 846967), (27053, 793243), (72113, 297583), (76997, 278707)]