21031296489

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3589571}}^1$

素因数の和:3589618

約数の個数: 32

約数和(自身を含む): 36757217280

約数和(自身を除く): 15725920791

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 3589571, 10768713, 25126997, 32306139, 75380991, 96918417, 111276701, 226142973, 333830103, 678428919, 778936907, 1001490309, 2336810721, 3004470927, 7010432163, 21031296489]

約数ペア:

[(1, 21031296489), (3, 7010432163), (7, 3004470927), (9, 2336810721), (21, 1001490309), (27, 778936907), (31, 678428919), (63, 333830103), (93, 226142973), (189, 111276701), (217, 96918417), (279, 75380991), (651, 32306139), (837, 25126997), (1953, 10768713), (5859, 3589571)]