21480008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244091}}^1$

素因数の和:244108

約数の個数: 16

約数和(自身を含む): 43936560

約数和(自身を除く): 22456552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244091, 488182, 976364, 1952728, 2685001, 5370002, 10740004, 21480008]

約数ペア:

[(1, 21480008), (2, 10740004), (4, 5370002), (8, 2685001), (11, 1952728), (22, 976364), (44, 488182), (88, 244091)]