21607852

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20857}}^1$

素因数の和:20905

約数の個数: 24

約数和(自身を含む): 44385824

約数和(自身を除く): 22777972

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20857, 41714, 83428, 145999, 291998, 583996, 771709, 1543418, 3086836, 5401963, 10803926, 21607852]

約数ペア:

[(1, 21607852), (2, 10803926), (4, 5401963), (7, 3086836), (14, 1543418), (28, 771709), (37, 583996), (74, 291998), (148, 145999), (259, 83428), (518, 41714), (1036, 20857)]