21000339378

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10903603}}^1$

素因数の和:10903718

約数の個数: 24

約数和(自身を含む): 45925980048

約数和(自身を除く): 24925640670

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10903603, 21807206, 32710809, 65421618, 98132427, 196264854, 1166685521, 2333371042, 3500056563, 7000113126, 10500169689, 21000339378]

約数ペア:

[(1, 21000339378), (2, 10500169689), (3, 7000113126), (6, 3500056563), (9, 2333371042), (18, 1166685521), (107, 196264854), (214, 98132427), (321, 65421618), (642, 32710809), (963, 21807206), (1926, 10903603)]