21808127

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3593473

約数列:

[1, 11, 17, 139, 187, 839, 1529, 2363, 9229, 14263, 25993, 116621, 156893, 1282831, 1982557, 21808127]

約数ペア:

[(1, 21808127), (11, 1982557), (17, 1282831), (139, 156893), (187, 116621), (839, 25993), (1529, 14263), (2363, 9229)]