21882978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5501}}^1$

素因数の和:5539

約数の個数: 48

約数和(自身を含む): 54073656

約数和(自身を除く): 32190678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5501, 11002, 16503, 33006, 49509, 71513, 93517, 99018, 143026, 187034, 214539, 280551, 429078, 561102, 643617, 841653, 1215721, 1287234, 1683306, 2431442, 3647163, 7294326, 10941489, 21882978]

約数ペア:

[(1, 21882978), (2, 10941489), (3, 7294326), (6, 3647163), (9, 2431442), (13, 1683306), (17, 1287234), (18, 1215721), (26, 841653), (34, 643617), (39, 561102), (51, 429078), (78, 280551), (102, 214539), (117, 187034), (153, 143026), (221, 99018), (234, 93517), (306, 71513), (442, 49509), (663, 33006), (1326, 16503), (1989, 11002), (3978, 5501)]