21063783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7607}}^1$

素因数の和:7694

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 9611673

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7607, 22821, 98891, 296673, 540097, 1620291, 7021261, 21063783]

約数ペア:

[(1, 21063783), (3, 7021261), (13, 1620291), (39, 540097), (71, 296673), (213, 98891), (923, 22821), (2769, 7607)]