21782007

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62057}}^1$

素因数の和:62079

約数の個数: 16

約数和(自身を含む): 34752480

約数和(自身を除く): 12970473

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62057, 186171, 558513, 806741, 1675539, 2420223, 7260669, 21782007]

約数ペア:

[(1, 21782007), (3, 7260669), (9, 2420223), (13, 1675539), (27, 806741), (39, 558513), (117, 186171), (351, 62057)]