21822241

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3491}}^1$

素因数の和:3564

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 4996319

約数列:

[1, 7, 19, 47, 133, 329, 893, 3491, 6251, 24437, 66329, 164077, 464303, 1148539, 3117463, 21822241]

約数ペア:

[(1, 21822241), (7, 3117463), (19, 1148539), (47, 464303), (133, 164077), (329, 66329), (893, 24437), (3491, 6251)]