21000427899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{5021}}^1\times {\mathrm{126743}}^1$

素因数の和:131778

約数の個数: 16

約数和(自身を含む): 30552401664

約数和(自身を除く): 9551973765

約数列:

[1, 3, 11, 33, 5021, 15063, 55231, 126743, 165693, 380229, 1394173, 4182519, 636376603, 1909129809, 7000142633, 21000427899]

約数ペア:

[(1, 21000427899), (3, 7000142633), (11, 1909129809), (33, 636376603), (5021, 4182519), (15063, 1394173), (55231, 380229), (126743, 165693)]