21910317

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4643}}^1$

素因数の和:4681

約数の個数: 24

約数和(自身を含む): 34588512

約数和(自身を除く): 12678195

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4643, 4719, 13929, 51073, 60359, 153219, 181077, 561803, 663949, 1685409, 1991847, 7303439, 21910317]

約数ペア:

[(1, 21910317), (3, 7303439), (11, 1991847), (13, 1685409), (33, 663949), (39, 561803), (121, 181077), (143, 153219), (363, 60359), (429, 51073), (1573, 13929), (4643, 4719)]