21260938817

素因数分解:

${\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{18859}}^1$

素因数の和:19240

約数の個数: 16

約数和(自身を含む): 21998304000

約数和(自身を除く): 737365183

約数列:

[1, 53, 89, 239, 4717, 12667, 18859, 21271, 999527, 1127363, 1678451, 4507301, 88957903, 238886953, 401149789, 21260938817]

約数ペア:

[(1, 21260938817), (53, 401149789), (89, 238886953), (239, 88957903), (4717, 4507301), (12667, 1678451), (18859, 1127363), (21271, 999527)]