21867391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5861}}^1$

素因数の和:5922

約数の個数: 16

約数和(自身を含む): 27574848

約数和(自身を除く): 5707457

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5861, 41027, 76193, 240301, 533351, 1682107, 3123913, 21867391]

約数ペア:

[(1, 21867391), (7, 3123913), (13, 1682107), (41, 533351), (91, 240301), (287, 76193), (533, 41027), (3731, 5861)]