21000343398

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1\times {\mathrm{23561}}^1$

素因数の和:24712

約数の個数: 32

約数和(自身を含む): 42326776800

約数和(自身を除く): 21326433402

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 997, 1994, 2991, 5982, 23561, 47122, 70683, 141366, 148553, 297106, 445659, 891318, 3510589, 7021178, 10531767, 21063534, 23490317, 46980634, 70470951, 140941902, 3500057233, 7000114466, 10500171699, 21000343398]

約数ペア:

[(1, 21000343398), (2, 10500171699), (3, 7000114466), (6, 3500057233), (149, 140941902), (298, 70470951), (447, 46980634), (894, 23490317), (997, 21063534), (1994, 10531767), (2991, 7021178), (5982, 3510589), (23561, 891318), (47122, 445659), (70683, 297106), (141366, 148553)]