2180367021

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5464579}}^1$

素因数の和:5464608

約数の個数: 16

約数和(自身を含む): 3497331200

約数和(自身を除く): 1316964179

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5464579, 16393737, 38252053, 103827001, 114756159, 311481003, 726789007, 2180367021]

約数ペア:

[(1, 2180367021), (3, 726789007), (7, 311481003), (19, 114756159), (21, 103827001), (57, 38252053), (133, 16393737), (399, 5464579)]