21327236

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4561}}^1$

素因数の和:4739

約数の個数: 24

約数和(自身を含む): 42919296

約数和(自身を除く): 21592060

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4561, 4676, 9122, 18244, 31927, 63854, 127708, 761687, 1523374, 3046748, 5331809, 10663618, 21327236]

約数ペア:

[(1, 21327236), (2, 10663618), (4, 5331809), (7, 3046748), (14, 1523374), (28, 761687), (167, 127708), (334, 63854), (668, 31927), (1169, 18244), (2338, 9122), (4561, 4676)]