2108820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5021}}^1$

素因数の和:5040

約数の個数: 48

約数和(自身を含む): 6749568

約数和(自身を除く): 4640748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5021, 10042, 15063, 20084, 25105, 30126, 35147, 50210, 60252, 70294, 75315, 100420, 105441, 140588, 150630, 175735, 210882, 301260, 351470, 421764, 527205, 702940, 1054410, 2108820]

約数ペア:

[(1, 2108820), (2, 1054410), (3, 702940), (4, 527205), (5, 421764), (6, 351470), (7, 301260), (10, 210882), (12, 175735), (14, 150630), (15, 140588), (20, 105441), (21, 100420), (28, 75315), (30, 70294), (35, 60252), (42, 50210), (60, 35147), (70, 30126), (84, 25105), (105, 20084), (140, 15063), (210, 10042), (420, 5021)]