21979404

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1801}}^1$

素因数の和:1927

約数の個数: 48

約数和(自身を含む): 57519840

約数和(自身を除く): 35540436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 1801, 2034, 3051, 3602, 4068, 5403, 6102, 7204, 10806, 12204, 16209, 21612, 32418, 48627, 64836, 97254, 194508, 203513, 407026, 610539, 814052, 1221078, 1831617, 2442156, 3663234, 5494851, 7326468, 10989702, 21979404]

約数ペア:

[(1, 21979404), (2, 10989702), (3, 7326468), (4, 5494851), (6, 3663234), (9, 2442156), (12, 1831617), (18, 1221078), (27, 814052), (36, 610539), (54, 407026), (108, 203513), (113, 194508), (226, 97254), (339, 64836), (452, 48627), (678, 32418), (1017, 21612), (1356, 16209), (1801, 12204), (2034, 10806), (3051, 7204), (3602, 6102), (4068, 5403)]