21082008

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23741}}^1$

素因数の和:23787

約数の個数: 32

約数和(自身を含む): 54131760

約数和(自身を除く): 33049752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23741, 47482, 71223, 94964, 142446, 189928, 284892, 569784, 878417, 1756834, 2635251, 3513668, 5270502, 7027336, 10541004, 21082008]

約数ペア:

[(1, 21082008), (2, 10541004), (3, 7027336), (4, 5270502), (6, 3513668), (8, 2635251), (12, 1756834), (24, 878417), (37, 569784), (74, 284892), (111, 189928), (148, 142446), (222, 94964), (296, 71223), (444, 47482), (888, 23741)]