21549829

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3853}}^1$

素因数の和:3924

約数の個数: 16

約数和(自身を含む): 26638848

約数和(自身を除く): 5089019

約数列:

[1, 7, 17, 47, 119, 329, 799, 3853, 5593, 26971, 65501, 181091, 458507, 1267637, 3078547, 21549829]

約数ペア:

[(1, 21549829), (7, 3078547), (17, 1267637), (47, 458507), (119, 181091), (329, 65501), (799, 26971), (3853, 5593)]