21077938

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5813}}^1$

素因数の和:5866

約数の個数: 24

約数和(自身を含む): 37779372

約数和(自身を除く): 16701434

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5813, 11626, 40691, 81382, 215081, 284837, 430162, 569674, 1505567, 3011134, 10538969, 21077938]

約数ペア:

[(1, 21077938), (2, 10538969), (7, 3011134), (14, 1505567), (37, 569674), (49, 430162), (74, 284837), (98, 215081), (259, 81382), (518, 40691), (1813, 11626), (3626, 5813)]