21495089755581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6640435513}}^1$

素因数の和:6640435612

約数の個数: 16

約数和(自身を含む): 31236608657856

約数和(自身を除く): 9741518902275

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6640435513, 19921306539, 86325661669, 258976985007, 551156147579, 1653468442737, 7165029918527, 21495089755581]

約数ペア:

[(1, 21495089755581), (3, 7165029918527), (13, 1653468442737), (39, 551156147579), (83, 258976985007), (249, 86325661669), (1079, 19921306539), (3237, 6640435513)]