21082964

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5417}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 42477120

約数和(自身を除く): 21394156

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5417, 10834, 21668, 37919, 75838, 151676, 752963, 1505926, 3011852, 5270741, 10541482, 21082964]

約数ペア:

[(1, 21082964), (2, 10541482), (4, 5270741), (7, 3011852), (14, 1505926), (28, 752963), (139, 151676), (278, 75838), (556, 37919), (973, 21668), (1946, 10834), (3892, 5417)]