21074779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 23877504

約数和(自身を除く): 2802725

約数列:

[1, 11, 41, 83, 451, 563, 913, 3403, 6193, 23083, 37433, 46729, 253913, 514019, 1915889, 21074779]

約数ペア:

[(1, 21074779), (11, 1915889), (41, 514019), (83, 253913), (451, 46729), (563, 37433), (913, 23083), (3403, 6193)]