21893284

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10711}}^1$

素因数の和:10795

約数の個数: 24

約数和(自身を含む): 44390528

約数和(自身を除く): 22497244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10711, 21422, 42844, 74977, 149954, 299908, 781903, 1563806, 3127612, 5473321, 10946642, 21893284]

約数ペア:

[(1, 21893284), (2, 10946642), (4, 5473321), (7, 3127612), (14, 1563806), (28, 781903), (73, 299908), (146, 149954), (292, 74977), (511, 42844), (1022, 21422), (2044, 10711)]