21342655864

素因数分解:

$2^3\times {\mathrm{7219}}^1\times {\mathrm{369557}}^1$

素因数の和:376782

約数の個数: 16

約数和(自身を含む): 40023131400

約数和(自身を除く): 18680475536

約数列:

[1, 2, 4, 8, 7219, 14438, 28876, 57752, 369557, 739114, 1478228, 2956456, 2667831983, 5335663966, 10671327932, 21342655864]

約数ペア:

[(1, 21342655864), (2, 10671327932), (4, 5335663966), (8, 2667831983), (7219, 2956456), (14438, 1478228), (28876, 739114), (57752, 369557)]