21083668318

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1\times {\mathrm{823}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 32084582400

約数和(自身を除く): 11000914082

約数列:

[1, 2, 191, 199, 337, 382, 398, 674, 823, 1646, 38009, 64367, 67063, 76018, 128734, 134126, 157193, 163777, 277351, 314386, 327554, 554702, 12809033, 25618066, 31281407, 52974041, 55192849, 62562814, 105948082, 110385698, 10541834159, 21083668318]

約数ペア:

[(1, 21083668318), (2, 10541834159), (191, 110385698), (199, 105948082), (337, 62562814), (382, 55192849), (398, 52974041), (674, 31281407), (823, 25618066), (1646, 12809033), (38009, 554702), (64367, 327554), (67063, 314386), (76018, 277351), (128734, 163777), (134126, 157193)]