21086597

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 3796603

約数列:

[1, 7, 47, 107, 329, 599, 749, 4193, 5029, 28153, 35203, 64093, 197071, 448651, 3012371, 21086597]

約数ペア:

[(1, 21086597), (7, 3012371), (47, 448651), (107, 197071), (329, 64093), (599, 35203), (749, 28153), (4193, 5029)]