21508715938

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{826051}}^1$

素因数の和:826377

約数の個数: 16

約数和(自身を含む): 33068513664

約数和(自身を除く): 11559797726

約数列:

[1, 2, 47, 94, 277, 554, 13019, 26038, 826051, 1652102, 38824397, 77648794, 228816127, 457632254, 10754357969, 21508715938]

約数ペア:

[(1, 21508715938), (2, 10754357969), (47, 457632254), (94, 228816127), (277, 77648794), (554, 38824397), (13019, 1652102), (26038, 826051)]