21603978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109111}}^1$

素因数の和:109130

約数の個数: 24

約数和(自身を含む): 51064416

約数和(自身を除く): 29460438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 109111, 218222, 327333, 654666, 981999, 1200221, 1963998, 2400442, 3600663, 7201326, 10801989, 21603978]

約数ペア:

[(1, 21603978), (2, 10801989), (3, 7201326), (6, 3600663), (9, 2400442), (11, 1963998), (18, 1200221), (22, 981999), (33, 654666), (66, 327333), (99, 218222), (198, 109111)]