21492044

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4889}}^1$

素因数の和:5057

約数の個数: 24

約数和(自身を含む): 43266720

約数和(自身を除く): 21774676

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4889, 9778, 19556, 34223, 68446, 136892, 767573, 1535146, 3070292, 5373011, 10746022, 21492044]

約数ペア:

[(1, 21492044), (2, 10746022), (4, 5373011), (7, 3070292), (14, 1535146), (28, 767573), (157, 136892), (314, 68446), (628, 34223), (1099, 19556), (2198, 9778), (4396, 4889)]