21325694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5987}}^1$

素因数の和:6139

約数の個数: 16

約数和(自身を含む): 34706448

約数和(自身を除く): 13380754

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5987, 11974, 77831, 155662, 820219, 1640438, 10662847, 21325694]

約数ペア:

[(1, 21325694), (2, 10662847), (13, 1640438), (26, 820219), (137, 155662), (274, 77831), (1781, 11974), (3562, 5987)]