21041004027

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{6869}}^1$

素因数の和:7295

約数の個数: 32

約数和(自身を含む): 29351937600

約数和(自身を除く): 8310933573

約数列:

[1, 3, 29, 87, 137, 257, 411, 771, 3973, 6869, 7453, 11919, 20607, 22359, 35209, 105627, 199201, 597603, 941053, 1021061, 1765333, 2823159, 3063183, 5295999, 27290537, 51194657, 81871611, 153583971, 241850621, 725551863, 7013668009, 21041004027]

約数ペア:

[(1, 21041004027), (3, 7013668009), (29, 725551863), (87, 241850621), (137, 153583971), (257, 81871611), (411, 51194657), (771, 27290537), (3973, 5295999), (6869, 3063183), (7453, 2823159), (11919, 1765333), (20607, 1021061), (22359, 941053), (35209, 597603), (105627, 199201)]