21551177979

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{967}}^1\times {\mathrm{6301}}^1$

素因数の和:7408

約数の個数: 32

約数和(自身を含む): 32209774080

約数和(自身を除く): 10658596101

約数列:

[1, 3, 9, 27, 131, 393, 967, 1179, 2901, 3537, 6301, 8703, 18903, 26109, 56709, 126677, 170127, 380031, 825431, 1140093, 2476293, 3420279, 6093067, 7428879, 18279201, 22286637, 54837603, 164512809, 798191777, 2394575331, 7183725993, 21551177979]

約数ペア:

[(1, 21551177979), (3, 7183725993), (9, 2394575331), (27, 798191777), (131, 164512809), (393, 54837603), (967, 22286637), (1179, 18279201), (2901, 7428879), (3537, 6093067), (6301, 3420279), (8703, 2476293), (18903, 1140093), (26109, 825431), (56709, 380031), (126677, 170127)]