21031888651

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 22823055360

約数和(自身を除く): 1791166709

約数列:

[1, 31, 37, 59, 167, 1147, 1829, 1861, 2183, 5177, 6179, 9853, 57691, 67673, 68857, 109799, 191549, 305443, 310787, 364561, 2134567, 3403769, 4062563, 9634397, 11301391, 11499119, 18336433, 125939453, 356472689, 568429423, 678448021, 21031888651]

約数ペア:

[(1, 21031888651), (31, 678448021), (37, 568429423), (59, 356472689), (167, 125939453), (1147, 18336433), (1829, 11499119), (1861, 11301391), (2183, 9634397), (5177, 4062563), (6179, 3403769), (9853, 2134567), (57691, 364561), (67673, 310787), (68857, 305443), (109799, 191549)]