21547836

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 56340480

約数和(自身を除く): 34792644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1524, 1571, 2286, 3142, 3429, 4572, 4713, 6284, 6858, 9426, 13716, 14139, 18852, 28278, 42417, 56556, 84834, 169668, 199517, 399034, 598551, 798068, 1197102, 1795653, 2394204, 3591306, 5386959, 7182612, 10773918, 21547836]

約数ペア:

[(1, 21547836), (2, 10773918), (3, 7182612), (4, 5386959), (6, 3591306), (9, 2394204), (12, 1795653), (18, 1197102), (27, 798068), (36, 598551), (54, 399034), (108, 199517), (127, 169668), (254, 84834), (381, 56556), (508, 42417), (762, 28278), (1143, 18852), (1524, 14139), (1571, 13716), (2286, 9426), (3142, 6858), (3429, 6284), (4572, 4713)]