21882889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 26974080

約数和(自身を除く): 5091191

約数列:

[1, 7, 19, 41, 133, 287, 779, 4013, 5453, 28091, 76247, 164533, 533729, 1151731, 3126127, 21882889]

約数ペア:

[(1, 21882889), (7, 3126127), (19, 1151731), (41, 533729), (133, 164533), (287, 76247), (779, 28091), (4013, 5453)]