21419464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243403}}^1$

素因数の和:243420

約数の個数: 16

約数和(自身を含む): 43812720

約数和(自身を除く): 22393256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243403, 486806, 973612, 1947224, 2677433, 5354866, 10709732, 21419464]

約数ペア:

[(1, 21419464), (2, 10709732), (4, 5354866), (8, 2677433), (11, 1947224), (22, 973612), (44, 486806), (88, 243403)]