21937578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281251}}^1$

素因数の和:281269

約数の個数: 16

約数和(自身を含む): 47250336

約数和(自身を除く): 25312758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281251, 562502, 843753, 1687506, 3656263, 7312526, 10968789, 21937578]

約数ペア:

[(1, 21937578), (2, 10968789), (3, 7312526), (6, 3656263), (13, 1687506), (26, 843753), (39, 562502), (78, 281251)]